61300616156 has 24 divisors (see below), whose sum is σ = 115623132240. Its totient is φ = 28269315072.

The previous prime is 61300616141. The next prime is 61300616171. The reversal of 61300616156 is 65161600316.

It is an interprime number because it is at equal distance from previous prime (61300616141) and next prime (61300616171).

It is a super-2 number, since 2×61300616156² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 421046 + ... + 547613.

It is an arithmetic number, because the mean of its divisors is an integer number (4817630510).

Almost surely, 2^61300616156 is an apocalyptic number.

It is an amenable number.

61300616156 is a deficient number, since it is larger than the sum of its proper divisors (54322516084).

61300616156 is a wasteful number, since it uses less digits than its factorization.

61300616156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969893 (or 969891 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 61300616156 in words is "sixty-one billion, three hundred million, six hundred sixteen thousand, one hundred fifty-six".