90063694518 has 48 divisors (see below), whose sum is σ = 209605466160. Its totient is φ = 25723946304.

The previous prime is 90063694471. The next prime is 90063694519. The reversal of 90063694518 is 81549636009.

It is a super-2 number, since 2×90063694518² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90063694519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 864780 + ... + 963312.

It is an arithmetic number, because the mean of its divisors is an integer number (4366780545).

Almost surely, 2^90063694518 is an apocalyptic number.

90063694518 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

90063694518 is an abundant number, since it is smaller than the sum of its proper divisors (119541771642).

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

90063694518 is a wasteful number, since it uses less digits than its factorization.

90063694518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101661 (or 101654 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 90063694518 in words is "ninety billion, sixty-three million, six hundred ninety-four thousand, five hundred eighteen".