61029183660 has 48 divisors (see below), whose sum is σ = 180933582816. Its totient is φ = 15317128192.

The previous prime is 61029183659. The next prime is 61029183679. The reversal of 61029183660 is 6638192016.

It is a super-2 number, since 2×61029183660² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29915247 + ... + 29917286.

It is an arithmetic number, because the mean of its divisors is an integer number (3769449642).

Almost surely, 2^61029183660 is an apocalyptic number.

61029183660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61029183660 is an abundant number, since it is smaller than the sum of its proper divisors (119904399156).

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

61029183660 is a wasteful number, since it uses less digits than its factorization.

61029183660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59832562 (or 59832560 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 61029183660 in words is "sixty-one billion, twenty-nine million, one hundred eighty-three thousand, six hundred sixty".