16461967420 has 24 divisors (see below), whose sum is σ = 34650358848. Its totient is φ = 6569505600.

The previous prime is 16461967411. The next prime is 16461967439. The reversal of 16461967420 is 2476916461.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946251 + ... + 963490.

It is an arithmetic number, because the mean of its divisors is an integer number (1443764952).

Almost surely, 2^16461967420 is an apocalyptic number.

16461967420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16461967420 is an abundant number, since it is smaller than the sum of its proper divisors (18188391428).

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

16461967420 is a wasteful number, since it uses less digits than its factorization.

16461967420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910181 (or 1910179 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 16461967420 in words is "sixteen billion, four hundred sixty-one million, nine hundred sixty-seven thousand, four hundred twenty".