1631132196747 has 16 divisors (see below), whose sum is σ = 2245482439680. Its totient is φ = 1052116812000.

The previous prime is 1631132196739. The next prime is 1631132196781. The reversal of 1631132196747 is 7476912311361.

It is a happy number.

It is not a de Polignac number, because 1631132196747 - 2³ = 1631132196739 is a prime.

It is a super-3 number, since 3×1631132196747³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1631132196747.

It is not an unprimeable number, because it can be changed into a prime (1631132196737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452972 + ... + 2318057.

It is an arithmetic number, because the mean of its divisors is an integer number (140342652480).

Almost surely, 2^{1631132196747} is an apocalyptic number.

1631132196747 is a deficient number, since it is larger than the sum of its proper divisors (614350242933).

1631132196747 is a wasteful number, since it uses less digits than its factorization.

1631132196747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775714.

The product of its digits is 1143072, while the sum is 51.

The spelling of 1631132196747 in words is "one trillion, six hundred thirty-one billion, one hundred thirty-two million, one hundred ninety-six thousand, seven hundred forty-seven".