61160878641 has 8 divisors (see below), whose sum is σ = 81585935424. Its totient is φ = 40754870480.

The previous prime is 61160878637. The next prime is 61160878643. The reversal of 61160878641 is 14687806116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61160878641 - 2² = 61160878637 is a prime.

It is a super-2 number, since 2×61160878641² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61160878643) 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, 4754661 + ... + 4767506.

It is an arithmetic number, because the mean of its divisors is an integer number (10198241928).

Almost surely, 2^61160878641 is an apocalyptic number.

It is an amenable number.

61160878641 is a deficient number, since it is larger than the sum of its proper divisors (20425056783).

61160878641 is a wasteful number, since it uses less digits than its factorization.

61160878641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9524311.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 61160878641 in words is "sixty-one billion, one hundred sixty million, eight hundred seventy-eight thousand, six hundred forty-one".