1657090318914 has 24 divisors (see below), whose sum is σ = 3606040804860. Its totient is φ = 549951370848.

The previous prime is 1657090318907. The next prime is 1657090318931. The reversal of 1657090318914 is 4198130907561.

1657090318914 is a `hidden beast` number, since 165 + 70 + 90 + 318 + 9 + 14 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1620954209889 + 36136109025 = 1273167^2 + 190095^2 .

It is a super-2 number, since 2×1657090318914² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201001497 + ... + 201009740.

Almost surely, 2^{1657090318914} is an apocalyptic number.

1657090318914 is an abundant number, since it is smaller than the sum of its proper divisors (1948950485946).

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

1657090318914 is a wasteful number, since it uses less digits than its factorization.

1657090318914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402011474 (or 402011471 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 1657090318914 in words is "one trillion, six hundred fifty-seven billion, ninety million, three hundred eighteen thousand, nine hundred fourteen".