1372332757661 has 8 divisors (see below), whose sum is σ = 1456892147520. Its totient is φ = 1288199360448.

The previous prime is 1372332757633. The next prime is 1372332757673. The reversal of 1372332757661 is 1667572332731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1372332757661 - 2³⁴ = 1355152888477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372331757661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106491521 + ... + 106504406.

It is an arithmetic number, because the mean of its divisors is an integer number (182111518440).

Almost surely, 2^{1372332757661} is an apocalyptic number.

It is an amenable number.

1372332757661 is a deficient number, since it is larger than the sum of its proper divisors (84559389859).

1372332757661 is a wasteful number, since it uses less digits than its factorization.

1372332757661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212996323.

The product of its digits is 6667920, while the sum is 53.

The spelling of 1372332757661 in words is "one trillion, three hundred seventy-two billion, three hundred thirty-two million, seven hundred fifty-seven thousand, six hundred sixty-one".