1630115774072 has 8 divisors (see below), whose sum is σ = 3056467076400. Its totient is φ = 815057887032.

The previous prime is 1630115773967. The next prime is 1630115774081. The reversal of 1630115774072 is 2704775110361.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1630115774072² (a number of 25 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 as a sum of consecutive naturals, namely, 101882235872 + ... + 101882235887.

It is an arithmetic number, because the mean of its divisors is an integer number (382058384550).

Almost surely, 2^{1630115774072} is an apocalyptic number.

It is an amenable number.

1630115774072 is a deficient number, since it is larger than the sum of its proper divisors (1426351302328).

1630115774072 is a wasteful number, since it uses less digits than its factorization.

1630115774072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203764471765 (or 203764471761 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 1630115774072 in words is "one trillion, six hundred thirty billion, one hundred fifteen million, seven hundred seventy-four thousand, seventy-two".