157178617743 has 16 divisors (see below), whose sum is σ = 245351990016. Its totient is φ = 87625709760.

The previous prime is 157178617727. The next prime is 157178617753. The reversal of 157178617743 is 347716871751.

It is not a de Polignac number, because 157178617743 - 2⁴ = 157178617727 is a prime.

It is a super-2 number, since 2×157178617743² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157178617753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91275921 + ... + 91277642.

It is an arithmetic number, because the mean of its divisors is an integer number (15334499376).

Almost surely, 2^157178617743 is an apocalyptic number.

157178617743 is a deficient number, since it is larger than the sum of its proper divisors (88173372273).

157178617743 is a wasteful number, since it uses less digits than its factorization.

157178617743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182553614.

The product of its digits is 6914880, while the sum is 57.

The spelling of 157178617743 in words is "one hundred fifty-seven billion, one hundred seventy-eight million, six hundred seventeen thousand, seven hundred forty-three".