157863370398 has 16 divisors (see below), whose sum is σ = 332343937920. Its totient is φ = 49851590616.

The previous prime is 157863370361. The next prime is 157863370403. The reversal of 157863370398 is 893073368751.

It is a super-2 number, since 2×157863370398² (a number of 23 digits) contains 22 as substring.

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, 692383090 + ... + 692383317.

It is an arithmetic number, because the mean of its divisors is an integer number (20771496120).

Almost surely, 2^157863370398 is an apocalyptic number.

157863370398 is an abundant number, since it is smaller than the sum of its proper divisors (174480567522).

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

157863370398 is a wasteful number, since it uses less digits than its factorization.

157863370398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384766431.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 157863370398 in words is "one hundred fifty-seven billion, eight hundred sixty-three million, three hundred seventy thousand, three hundred ninety-eight".