1605470116631 has 12 divisors (see below), whose sum is σ = 1687047618600. Its totient is φ = 1527347131920.

The previous prime is 1605470116603. The next prime is 1605470116637. The reversal of 1605470116631 is 1366110745061.

It is not a de Polignac number, because 1605470116631 - 2³⁴ = 1588290247447 is a prime.

It is a super-2 number, since 2×1605470116631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605470116637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14101136 + ... + 14214533.

It is an arithmetic number, because the mean of its divisors is an integer number (140587301550).

Almost surely, 2^{1605470116631} is an apocalyptic number.

1605470116631 is a deficient number, since it is larger than the sum of its proper divisors (81577501969).

1605470116631 is an equidigital number, since it uses as much as digits as its factorization.

1605470116631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28315790 (or 28315759 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 1605470116631 in words is "one trillion, six hundred five billion, four hundred seventy million, one hundred sixteen thousand, six hundred thirty-one".