157868609334 has 16 divisors (see below), whose sum is σ = 315770219760. Its totient is φ = 52617369600.

The previous prime is 157868609293. The next prime is 157868609341. The reversal of 157868609334 is 433906868751.

It is a super-2 number, since 2×157868609334² (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, 1312639 + ... + 1427850.

It is an arithmetic number, because the mean of its divisors is an integer number (19735638735).

Almost surely, 2^157868609334 is an apocalyptic number.

157868609334 is an abundant number, since it is smaller than the sum of its proper divisors (157901610426).

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

157868609334 is a wasteful number, since it uses less digits than its factorization.

157868609334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750095.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 157868609334 in words is "one hundred fifty-seven billion, eight hundred sixty-eight million, six hundred nine thousand, three hundred thirty-four".