157740191299 has 16 divisors (see below), whose sum is σ = 161973504000. Its totient is φ = 153525718080.

The previous prime is 157740191291. The next prime is 157740191317. The reversal of 157740191299 is 992191047751.

It is a cyclic number.

It is not a de Polignac number, because 157740191299 - 2³ = 157740191291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157740191291) 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, 47524762 + ... + 47528080.

It is an arithmetic number, because the mean of its divisors is an integer number (10123344000).

Almost surely, 2^157740191299 is an apocalyptic number.

157740191299 is a deficient number, since it is larger than the sum of its proper divisors (4233312701).

157740191299 is a wasteful number, since it uses less digits than its factorization.

157740191299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778.

The product of its (nonzero) digits is 1428840, while the sum is 55.

The spelling of 157740191299 in words is "one hundred fifty-seven billion, seven hundred forty million, one hundred ninety-one thousand, two hundred ninety-nine".