90155336722 has 16 divisors (see below), whose sum is σ = 148379677632. Its totient is φ = 40742819920.

The previous prime is 90155336701. The next prime is 90155336731. The reversal of 90155336722 is 22763355109.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11840038 + ... + 11847649.

It is an arithmetic number, because the mean of its divisors is an integer number (9273729852).

Almost surely, 2^90155336722 is an apocalyptic number.

90155336722 is a deficient number, since it is larger than the sum of its proper divisors (58224340910).

90155336722 is a wasteful number, since it uses less digits than its factorization.

90155336722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23687873.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 90155336722 in words is "ninety billion, one hundred fifty-five million, three hundred thirty-six thousand, seven hundred twenty-two".