61357892680 has 32 divisors (see below), whose sum is σ = 157777439040. Its totient is φ = 21036991680.

The previous prime is 61357892663. The next prime is 61357892683. The reversal of 61357892680 is 8629875316.

It is not an unprimeable number, because it can be changed into a prime (61357892683) 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, 109567386 + ... + 109567945.

It is an arithmetic number, because the mean of its divisors is an integer number (4930544970).

Almost surely, 2^61357892680 is an apocalyptic number.

It is an amenable number.

61357892680 is an abundant number, since it is smaller than the sum of its proper divisors (96419546360).

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

61357892680 is a wasteful number, since it uses less digits than its factorization.

61357892680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219135349 (or 219135345 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 61357892680 in words is "sixty-one billion, three hundred fifty-seven million, eight hundred ninety-two thousand, six hundred eighty".