157601456435990 has 32 divisors (see below), whose sum is σ = 324219814205760. Its totient is φ = 54032934426624.

The previous prime is 157601456435953. The next prime is 157601456436091. The reversal of 157601456435990 is 99534654106751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36495707 + ... + 40584966.

It is an arithmetic number, because the mean of its divisors is an integer number (10131869193930).

Almost surely, 2^{157601456435990} is an apocalyptic number.

157601456435990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157601456435990 is an abundant number, since it is smaller than the sum of its proper divisors (166618357769770).

157601456435990 is a wasteful number, since it uses less digits than its factorization.

157601456435990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77109896.

The product of its (nonzero) digits is 122472000, while the sum is 65.

The spelling of 157601456435990 in words is "one hundred fifty-seven trillion, six hundred one billion, four hundred fifty-six million, four hundred thirty-five thousand, nine hundred ninety".