900116817407999 has 4 divisors (see below), whose sum is σ = 900728725511040. Its totient is φ = 899504909304960.

The previous prime is 900116817407993. The next prime is 900116817408001. The reversal of 900116817407999 is 999704718611009.

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

It is a cyclic number.

It is not a de Polignac number, because 900116817407999 - 2³⁶ = 900048097931263 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 (900116817407993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305954049314 + ... + 305954052255.

It is an arithmetic number, because the mean of its divisors is an integer number (225182181377760).

Almost surely, 2^{900116817407999} is an apocalyptic number.

900116817407999 is a deficient number, since it is larger than the sum of its proper divisors (611908103041).

900116817407999 is a wasteful number, since it uses less digits than its factorization.

900116817407999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611908103040.

The product of its (nonzero) digits is 61725888, while the sum is 71.

The spelling of 900116817407999 in words is "nine hundred trillion, one hundred sixteen billion, eight hundred seventeen million, four hundred seven thousand, nine hundred ninety-nine".