157287158658 has 48 divisors (see below), whose sum is σ = 389857755456. Its totient is φ = 44894789280.

The previous prime is 157287158647. The next prime is 157287158659. The reversal of 157287158658 is 856851782751.

157287158658 is a `hidden beast` number, since 1 + 572 + 8 + 7 + 1 + 5 + 8 + 6 + 58 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 157287158595 and 157287158604.

It is not an unprimeable number, because it can be changed into a prime (157287158659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488508 + ... + 743783.

It is an arithmetic number, because the mean of its divisors is an integer number (8122036572).

Almost surely, 2^157287158658 is an apocalyptic number.

157287158658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157287158658 is an abundant number, since it is smaller than the sum of its proper divisors (232570596798).

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

157287158658 is a wasteful number, since it uses less digits than its factorization.

157287158658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233319 (or 1233316 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 63.

The spelling of 157287158658 in words is "one hundred fifty-seven billion, two hundred eighty-seven million, one hundred fifty-eight thousand, six hundred fifty-eight".