61604613592 has 16 divisors (see below), whose sum is σ = 115558027200. Its totient is φ = 30789139680.

The previous prime is 61604613589. The next prime is 61604613593. The reversal of 61604613592 is 29531640616.

It is a super-2 number, since 2×61604613592² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61604613593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625992 + ... + 1663447.

It is an arithmetic number, because the mean of its divisors is an integer number (7222376700).

Almost surely, 2^61604613592 is an apocalyptic number.

It is an amenable number.

61604613592 is a deficient number, since it is larger than the sum of its proper divisors (53953413608).

61604613592 is a wasteful number, since it uses less digits than its factorization.

61604613592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291786 (or 3291782 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 61604613592 in words is "sixty-one billion, six hundred four million, six hundred thirteen thousand, five hundred ninety-two".