90916110542615 has 8 divisors (see below), whose sum is σ = 109099631140128. Its totient is φ = 72732689441440.

The previous prime is 90916110542611. The next prime is 90916110542629. The reversal of 90916110542615 is 51624501161909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90916110542615 - 2² = 90916110542611 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 (90916110542611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22848812 + ... + 26531121.

It is an arithmetic number, because the mean of its divisors is an integer number (13637453892516).

Almost surely, 2^{90916110542615} is an apocalyptic number.

90916110542615 is a deficient number, since it is larger than the sum of its proper divisors (18183520597513).

90916110542615 is a wasteful number, since it uses less digits than its factorization.

90916110542615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49748169.

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 90916110542615 in words is "ninety trillion, nine hundred sixteen billion, one hundred ten million, five hundred forty-two thousand, six hundred fifteen".