90964595551 has 8 divisors (see below), whose sum is σ = 91139566320. Its totient is φ = 90789678912.

The previous prime is 90964595473. The next prime is 90964595609. The reversal of 90964595551 is 15559546909.

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

It is a cyclic number.

It is not a de Polignac number, because 90964595551 - 2³³ = 82374660959 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 (90964505551) 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, 5279116 + ... + 5296318.

It is an arithmetic number, because the mean of its divisors is an integer number (11392445790).

Almost surely, 2^90964595551 is an apocalyptic number.

90964595551 is a deficient number, since it is larger than the sum of its proper divisors (174970769).

90964595551 is a wasteful number, since it uses less digits than its factorization.

90964595551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27065.

The product of its (nonzero) digits is 10935000, while the sum is 58.

The spelling of 90964595551 in words is "ninety billion, nine hundred sixty-four million, five hundred ninety-five thousand, five hundred fifty-one".