16539964060900 has 144 divisors (see below), whose sum is σ = 42164349114496. Its totient is φ = 5512783380480.

The previous prime is 16539964060897. The next prime is 16539964060927. The reversal of 16539964060900 is 906046993561.

It is a super-2 number, since 2×16539964060900² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29585767 + ... + 30139633.

Almost surely, 2^{16539964060900} is an apocalyptic number.

16539964060900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16539964060900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21082174557248).

16539964060900 is an abundant number, since it is smaller than the sum of its proper divisors (25624385053596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16539964060900 is a wasteful number, since it uses less digits than its factorization.

16539964060900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555078 (or 555071 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 58.

The spelling of 16539964060900 in words is "sixteen trillion, five hundred thirty-nine billion, nine hundred sixty-four million, sixty thousand, nine hundred".