61242402160 has 40 divisors (see below), whose sum is σ = 146981771136. Its totient is φ = 23706735360.

The previous prime is 61242402127. The next prime is 61242402163. The reversal of 61242402160 is 6120424216.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61242402163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12344779 + ... + 12349738.

Almost surely, 2^61242402160 is an apocalyptic number.

It is an amenable number.

61242402160 is an abundant number, since it is smaller than the sum of its proper divisors (85739368976).

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

61242402160 is a wasteful number, since it uses less digits than its factorization.

61242402160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24694561 (or 24694555 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 61242402160 its reverse (6120424216), we get a palindrome (67362826376).

The spelling of 61242402160 in words is "sixty-one billion, two hundred forty-two million, four hundred two thousand, one hundred sixty".