1630620029672 has 16 divisors (see below), whose sum is σ = 3087096174240. Its totient is φ = 807394383216.

The previous prime is 1630620029617. The next prime is 1630620029747. The reversal of 1630620029672 is 2769200260361.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989453078 + ... + 989454725.

It is an arithmetic number, because the mean of its divisors is an integer number (192943510890).

Almost surely, 2^{1630620029672} is an apocalyptic number.

It is an amenable number.

1630620029672 is a deficient number, since it is larger than the sum of its proper divisors (1456476144568).

1630620029672 is a wasteful number, since it uses less digits than its factorization.

1630620029672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978907912 (or 1978907908 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 1630620029672 in words is "one trillion, six hundred thirty billion, six hundred twenty million, twenty-nine thousand, six hundred seventy-two".