155676500018 has 12 divisors (see below), whose sum is σ = 252859167738. Its totient is φ = 71850692160.

The previous prime is 155676499897. The next prime is 155676500029. The reversal of 155676500018 is 810005676551.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34667833249 + 121008666769 = 186193^2 + 347863^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230290343 + ... + 230291018.

Almost surely, 2^155676500018 is an apocalyptic number.

155676500018 is a deficient number, since it is larger than the sum of its proper divisors (97182667720).

155676500018 is a wasteful number, since it uses less digits than its factorization.

155676500018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460581389 (or 460581376 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 155676500018 in words is "one hundred fifty-five billion, six hundred seventy-six million, five hundred thousand, eighteen".