30162681607640 has 128 divisors (see below), whose sum is σ = 68836625280000. Its totient is φ = 11894129330688.

The previous prime is 30162681607631. The next prime is 30162681607661. The reversal of 30162681607640 is 4670618626103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394642469 + ... + 394718891.

It is an arithmetic number, because the mean of its divisors is an integer number (537786135000).

Almost surely, 2^{30162681607640} is an apocalyptic number.

It is an amenable number.

30162681607640 is an abundant number, since it is smaller than the sum of its proper divisors (38673943672360).

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

30162681607640 is a wasteful number, since it uses less digits than its factorization.

30162681607640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77089 (or 77085 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 30162681607640 in words is "thirty trillion, one hundred sixty-two billion, six hundred eighty-one million, six hundred seven thousand, six hundred forty".