1572313660672 has 18 divisors (see below), whose sum is σ = 3138485471618. Its totient is φ = 786156830208.

The previous prime is 1572313660663. The next prime is 1572313660691. The reversal of 1572313660672 is 2760663132751.

It can be written as a sum of positive squares in only one way, i.e., 964512553216 + 607801107456 = 982096^2 + 779616^2 .

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, 3070924863 + ... + 3070925374.

Almost surely, 2^{1572313660672} is an apocalyptic number.

It is an amenable number.

1572313660672 is a deficient number, since it is larger than the sum of its proper divisors (1566171810946).

1572313660672 is an frugal number, since it uses more digits than its factorization.

1572313660672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141850253 (or 6141850239 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 1572313660672 in words is "one trillion, five hundred seventy-two billion, three hundred thirteen million, six hundred sixty thousand, six hundred seventy-two".