158205677655 has 32 divisors (see below), whose sum is σ = 262025487360. Its totient is φ = 81414623360.

The previous prime is 158205677653. The next prime is 158205677687. The reversal of 158205677655 is 556776502851.

It is not a de Polignac number, because 158205677655 - 2¹ = 158205677653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158205677595 and 158205677604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158205677653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567634 + ... + 799136.

It is an arithmetic number, because the mean of its divisors is an integer number (8188296480).

Almost surely, 2^158205677655 is an apocalyptic number.

158205677655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158205677655 is a deficient number, since it is larger than the sum of its proper divisors (103819809705).

158205677655 is a wasteful number, since it uses less digits than its factorization.

158205677655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233111.

The product of its (nonzero) digits is 17640000, while the sum is 57.

The spelling of 158205677655 in words is "one hundred fifty-eight billion, two hundred five million, six hundred seventy-seven thousand, six hundred fifty-five".