157653746742 has 16 divisors (see below), whose sum is σ = 331902624960. Its totient is φ = 49785393672.

The previous prime is 157653746737. The next prime is 157653746743. The reversal of 157653746742 is 247647356751.

It is a super-2 number, since 2×157653746742² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157653746743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691463688 + ... + 691463915.

It is an arithmetic number, because the mean of its divisors is an integer number (20743914060).

Almost surely, 2^157653746742 is an apocalyptic number.

157653746742 is an abundant number, since it is smaller than the sum of its proper divisors (174248878218).

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

157653746742 is a wasteful number, since it uses less digits than its factorization.

157653746742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382927627.

The product of its digits is 29635200, while the sum is 57.

The spelling of 157653746742 in words is "one hundred fifty-seven billion, six hundred fifty-three million, seven hundred forty-six thousand, seven hundred forty-two".