1031161511662 has 4 divisors (see below), whose sum is σ = 1546742267496. Its totient is φ = 515580755830.

The previous prime is 1031161511659. The next prime is 1031161511713. The reversal of 1031161511662 is 2661151611301.

It is a semiprime because it is the product of two primes.

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, 257790377914 + ... + 257790377917.

It is an arithmetic number, because the mean of its divisors is an integer number (386685566874).

Almost surely, 2^{1031161511662} is an apocalyptic number.

1031161511662 is a deficient number, since it is larger than the sum of its proper divisors (515580755834).

1031161511662 is an equidigital number, since it uses as much as digits as its factorization.

1031161511662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515580755833.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 1031161511662 in words is "one trillion, thirty-one billion, one hundred sixty-one million, five hundred eleven thousand, six hundred sixty-two".