157643737422 has 16 divisors (see below), whose sum is σ = 315295865472. Its totient is φ = 52546514040.

The previous prime is 157643737403. The next prime is 157643737453. The reversal of 157643737422 is 224737346751.

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, 90604 + ... + 568767.

It is an arithmetic number, because the mean of its divisors is an integer number (19705991592).

Almost surely, 2^157643737422 is an apocalyptic number.

157643737422 is an abundant number, since it is smaller than the sum of its proper divisors (157652128050).

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

157643737422 is a wasteful number, since it uses less digits than its factorization.

157643737422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699223.

The product of its digits is 5927040, while the sum is 51.

The spelling of 157643737422 in words is "one hundred fifty-seven billion, six hundred forty-three million, seven hundred thirty-seven thousand, four hundred twenty-two".