207157149554 has 32 divisors (see below), whose sum is σ = 314189979840. Its totient is φ = 102434818752.

The previous prime is 207157149553. The next prime is 207157149557. The reversal of 207157149554 is 455941751702.

It is a super-2 number, since 2×207157149554² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (207157149553) 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, 61891709 + ... + 61895055.

It is an arithmetic number, because the mean of its divisors is an integer number (9818436870).

Almost surely, 2^207157149554 is an apocalyptic number.

207157149554 is a deficient number, since it is larger than the sum of its proper divisors (107032830286).

207157149554 is a wasteful number, since it uses less digits than its factorization.

207157149554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394.

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 207157149554 in words is "two hundred seven billion, one hundred fifty-seven million, one hundred forty-nine thousand, five hundred fifty-four".