157722055534 has 16 divisors (see below), whose sum is σ = 237038071680. Its totient is φ = 78709450680.

The previous prime is 157722055531. The next prime is 157722055537. The reversal of 157722055534 is 435550227751.

It is an interprime number because it is at equal distance from previous prime (157722055531) and next prime (157722055537).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157722055531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4022677 + ... + 4061695.

It is an arithmetic number, because the mean of its divisors is an integer number (14814879480).

Almost surely, 2^157722055534 is an apocalyptic number.

157722055534 is a deficient number, since it is larger than the sum of its proper divisors (79316016146).

157722055534 is a wasteful number, since it uses less digits than its factorization.

157722055534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42855.

The product of its (nonzero) digits is 1470000, while the sum is 46.

The spelling of 157722055534 in words is "one hundred fifty-seven billion, seven hundred twenty-two million, fifty-five thousand, five hundred thirty-four".