157740765810918 has 8 divisors (see below), whose sum is σ = 315481531621848. Its totient is φ = 52580255270304.

The previous prime is 157740765810907. The next prime is 157740765810923. The reversal of 157740765810918 is 819018567047751.

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

157740765810918 is an admirable number.

It is a super-2 number, since 2×157740765810918² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 13145063817571 + ... + 13145063817582.

It is an arithmetic number, because the mean of its divisors is an integer number (39435191452731).

Almost surely, 2^{157740765810918} is an apocalyptic number.

157740765810918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157740765810918 is a wasteful number, since it uses less digits than its factorization.

157740765810918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26290127635158.

The product of its (nonzero) digits is 118540800, while the sum is 69.

The spelling of 157740765810918 in words is "one hundred fifty-seven trillion, seven hundred forty billion, seven hundred sixty-five million, eight hundred ten thousand, nine hundred eighteen".