61536242364146 has 16 divisors (see below), whose sum is σ = 102595587614208. Its totient is φ = 27443264175600.

The previous prime is 61536242364041. The next prime is 61536242364193. The reversal of 61536242364146 is 64146324263516.

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 26387752850 + ... + 26387755181.

It is an arithmetic number, because the mean of its divisors is an integer number (6412224225888).

Almost surely, 2^{61536242364146} is an apocalyptic number.

61536242364146 is a deficient number, since it is larger than the sum of its proper divisors (41059345250062).

61536242364146 is a wasteful number, since it uses less digits than its factorization.

61536242364146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52775508097.

The product of its digits is 14929920, while the sum is 53.

The spelling of 61536242364146 in words is "sixty-one trillion, five hundred thirty-six billion, two hundred forty-two million, three hundred sixty-four thousand, one hundred forty-six".