157399750746 has 32 divisors (see below), whose sum is σ = 399745399680. Its totient is φ = 44971357248.

The previous prime is 157399750727. The next prime is 157399750747. The reversal of 157399750746 is 647057993751.

157399750746 is a `hidden beast` number, since 1 + 5 + 7 + 39 + 97 + 507 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157399750747) 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, 208200351 + ... + 208201106.

It is an arithmetic number, because the mean of its divisors is an integer number (12492043740).

Almost surely, 2^157399750746 is an apocalyptic number.

157399750746 is an abundant number, since it is smaller than the sum of its proper divisors (242345648934).

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

157399750746 is a wasteful number, since it uses less digits than its factorization.

157399750746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416401475 (or 416401469 counting only the distinct ones).

The product of its (nonzero) digits is 50009400, while the sum is 63.

The spelling of 157399750746 in words is "one hundred fifty-seven billion, three hundred ninety-nine million, seven hundred fifty thousand, seven hundred forty-six".