157663406445342 has 32 divisors (see below), whose sum is σ = 365752209414912. Its totient is φ = 44374348934784.

The previous prime is 157663406445329. The next prime is 157663406445421. The reversal of 157663406445342 is 243544604366751.

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, 28014106363 + ... + 28014111990.

It is an arithmetic number, because the mean of its divisors is an integer number (11429756544216).

Almost surely, 2^{157663406445342} is an apocalyptic number.

157663406445342 is an abundant number, since it is smaller than the sum of its proper divisors (208088802969570).

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

157663406445342 is a wasteful number, since it uses less digits than its factorization.

157663406445342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56028218432.

The product of its (nonzero) digits is 174182400, while the sum is 60.

The spelling of 157663406445342 in words is "one hundred fifty-seven trillion, six hundred sixty-three billion, four hundred six million, four hundred forty-five thousand, three hundred forty-two".