1631274617152 has 14 divisors (see below), whose sum is σ = 3237060568538. Its totient is φ = 815637308544.

The previous prime is 1631274617111. The next prime is 1631274617227. The reversal of 1631274617152 is 2517164721361.

It can be written as a sum of positive squares in only one way, i.e., 1028390697216 + 602883919936 = 1014096^2 + 776456^2 .

It is a super-2 number, since 2×1631274617152² (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, 12744332883 + ... + 12744333010.

Almost surely, 2^{1631274617152} is an apocalyptic number.

It is an amenable number.

1631274617152 is a deficient number, since it is larger than the sum of its proper divisors (1605785951386).

1631274617152 is an equidigital number, since it uses as much as digits as its factorization.

1631274617152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25488665905 (or 25488665895 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The spelling of 1631274617152 in words is "one trillion, six hundred thirty-one billion, two hundred seventy-four million, six hundred seventeen thousand, one hundred fifty-two".