61000005606 has 32 divisors (see below), whose sum is σ = 124321817088. Its totient is φ = 19946490720.

The previous prime is 61000005559. The next prime is 61000005607. The reversal of 61000005606 is 60650000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61000005607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757811 + ... + 2779841.

It is an arithmetic number, because the mean of its divisors is an integer number (3885056784).

Almost surely, 2^61000005606 is an apocalyptic number.

61000005606 is an abundant number, since it is smaller than the sum of its proper divisors (63321811482).

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

61000005606 is a wasteful number, since it uses less digits than its factorization.

61000005606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30796.

The product of its (nonzero) digits is 1080, while the sum is 24.

The spelling of 61000005606 in words is "sixty-one billion, five thousand, six hundred six".