90162265065454 has 32 divisors (see below), whose sum is σ = 146853171861120. Its totient is φ = 41371101031968.

The previous prime is 90162265065451. The next prime is 90162265065479. The reversal of 90162265065454 is 45456056226109.

It is a super-2 number, since 2×90162265065454² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90162265065395 and 90162265065404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90162265065451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140929272 + ... + 141567595.

It is an arithmetic number, because the mean of its divisors is an integer number (4589161620660).

Almost surely, 2^{90162265065454} is an apocalyptic number.

90162265065454 is a deficient number, since it is larger than the sum of its proper divisors (56690906795666).

90162265065454 is a wasteful number, since it uses less digits than its factorization.

90162265065454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282497152.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 90162265065454 in words is "ninety trillion, one hundred sixty-two billion, two hundred sixty-five million, sixty-five thousand, four hundred fifty-four".