90158266530 has 48 divisors (see below), whose sum is σ = 239398982784. Its totient is φ = 23530667040.

The previous prime is 90158266507. The next prime is 90158266621. The reversal of 90158266530 is 3566285109.

90158266530 is a `hidden beast` number, since 9 + 0 + 1 + 58 + 2 + 66 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10652776 + ... + 10661235.

It is an arithmetic number, because the mean of its divisors is an integer number (4987478808).

Almost surely, 2^90158266530 is an apocalyptic number.

90158266530 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90158266530 is an abundant number, since it is smaller than the sum of its proper divisors (149240716254).

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

90158266530 is a wasteful number, since it uses less digits than its factorization.

90158266530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314071 (or 21314068 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 90158266530 in words is "ninety billion, one hundred fifty-eight million, two hundred sixty-six thousand, five hundred thirty".