61690579498306 has 96 divisors (see below), whose sum is σ = 111808946995200. Its totient is φ = 25390384351200.

The previous prime is 61690579498277. The next prime is 61690579498307. The reversal of 61690579498306 is 60389497509616.

It is not an unprimeable number, because it can be changed into a prime (61690579498307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135031321 + ... + 135487411.

It is an arithmetic number, because the mean of its divisors is an integer number (1164676531200).

Almost surely, 2^{61690579498306} is an apocalyptic number.

61690579498306 is a deficient number, since it is larger than the sum of its proper divisors (50118367496894).

61690579498306 is a wasteful number, since it uses less digits than its factorization.

61690579498306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457436 (or 457425 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 73.

The spelling of 61690579498306 in words is "sixty-one trillion, six hundred ninety billion, five hundred seventy-nine million, four hundred ninety-eight thousand, three hundred six".