157191740610 has 96 divisors (see below), whose sum is σ = 396433880640. Its totient is φ = 39877626240.

The previous prime is 157191740599. The next prime is 157191740639. The reversal of 157191740610 is 16047191751.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1654764 + ... + 1747176.

It is an arithmetic number, because the mean of its divisors is an integer number (4129519590).

Almost surely, 2^157191740610 is an apocalyptic number.

157191740610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157191740610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198216940320).

157191740610 is an abundant number, since it is smaller than the sum of its proper divisors (239242140030).

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

157191740610 is a wasteful number, since it uses less digits than its factorization.

157191740610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92544 (or 92513 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 42.

The spelling of 157191740610 in words is "one hundred fifty-seven billion, one hundred ninety-one million, seven hundred forty thousand, six hundred ten".