30660161952 has 48 divisors (see below), whose sum is σ = 91980487872. Its totient is φ = 8760046080.

The previous prime is 30660161947. The next prime is 30660161977. The reversal of 30660161952 is 25916106603.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 30660161952.

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, 22811949 + ... + 22813292.

It is an arithmetic number, because the mean of its divisors is an integer number (1916260164).

Almost surely, 2^30660161952 is an apocalyptic number.

30660161952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30660161952 is an abundant number, since it is smaller than the sum of its proper divisors (61320325920).

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

30660161952 is a wasteful number, since it uses less digits than its factorization.

30660161952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45625261 (or 45625253 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 30660161952 in words is "thirty billion, six hundred sixty million, one hundred sixty-one thousand, nine hundred fifty-two".