157189773417 has 8 divisors (see below), whose sum is σ = 211509175680. Its totient is φ = 103831776720.

The previous prime is 157189773401. The next prime is 157189773431. The reversal of 157189773417 is 714377981751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157189773417 - 2⁴ = 157189773401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157189773497) 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, 240351009 + ... + 240351662.

It is an arithmetic number, because the mean of its divisors is an integer number (26438646960).

Almost surely, 2^157189773417 is an apocalyptic number.

It is an amenable number.

157189773417 is a deficient number, since it is larger than the sum of its proper divisors (54319402263).

157189773417 is a wasteful number, since it uses less digits than its factorization.

157189773417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480702783.

The product of its digits is 10372320, while the sum is 60.

The spelling of 157189773417 in words is "one hundred fifty-seven billion, one hundred eighty-nine million, seven hundred seventy-three thousand, four hundred seventeen".