157061643615 has 48 divisors (see below), whose sum is σ = 273311726688. Its totient is φ = 83436887808.

The previous prime is 157061643593. The next prime is 157061643637. The reversal of 157061643615 is 516346160751.

157061643615 is a `hidden beast` number, since 1 + 570 + 6 + 1 + 64 + 3 + 6 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (157061643593) and next prime (157061643637).

It is not a de Polignac number, because 157061643615 - 2¹⁴ = 157061627231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27585709 + ... + 27591401.

It is an arithmetic number, because the mean of its divisors is an integer number (5693994306).

Almost surely, 2^157061643615 is an apocalyptic number.

157061643615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157061643615 is a deficient number, since it is larger than the sum of its proper divisors (116250083073).

157061643615 is a wasteful number, since it uses less digits than its factorization.

157061643615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008 (or 8005 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 157061643615 in words is "one hundred fifty-seven billion, sixty-one million, six hundred forty-three thousand, six hundred fifteen".