816145111746 has 48 divisors (see below), whose sum is σ = 1782553646016. Its totient is φ = 269864825568.

The previous prime is 816145111697. The next prime is 816145111751. The reversal of 816145111746 is 647111541618.

816145111746 is a `hidden beast` number, since 8 + 1 + 61 + 4 + 511 + 1 + 74 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1083691 + ... + 1675313.

It is an arithmetic number, because the mean of its divisors is an integer number (37136534292).

Almost surely, 2^816145111746 is an apocalyptic number.

816145111746 is an abundant number, since it is smaller than the sum of its proper divisors (966408534270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816145111746 is a wasteful number, since it uses less digits than its factorization.

816145111746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592247 (or 592244 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The spelling of 816145111746 in words is "eight hundred sixteen billion, one hundred forty-five million, one hundred eleven thousand, seven hundred forty-six".