157416990 has 16 divisors (see below), whose sum is σ = 377800848. Its totient is φ = 41977856.

The previous prime is 157416913. The next prime is 157417021. The reversal of 157416990 is 99614751.

It is a congruent number.

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, 2623587 + ... + 2623646.

It is an arithmetic number, because the mean of its divisors is an integer number (23612553).

Almost surely, 2^157416990 is an apocalyptic number.

157416990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157416990 is an abundant number, since it is smaller than the sum of its proper divisors (220383858).

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

157416990 is a wasteful number, since it uses less digits than its factorization.

157416990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247243.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 157416990 is about 12546.5927645716. The cubic root of 157416990 is about 539.9462566541.

The spelling of 157416990 in words is "one hundred fifty-seven million, four hundred sixteen thousand, nine hundred ninety".