155274861608 has 16 divisors (see below), whose sum is σ = 291144746580. Its totient is φ = 77636262528.

The previous prime is 155274861601. The next prime is 155274861611. The reversal of 155274861608 is 806168472551.

It can be written as a sum of positive squares in 2 ways, for example, as 122375431684 + 32899429924 = 349822^2 + 181382^2 .

It is a super-2 number, since 2×155274861608² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 155274861608.

It is not an unprimeable number, because it can be changed into a prime (155274861601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723116 + ... + 912932.

Almost surely, 2^155274861608 is an apocalyptic number.

It is an amenable number.

155274861608 is a deficient number, since it is larger than the sum of its proper divisors (135869884972).

155274861608 is a wasteful number, since it uses less digits than its factorization.

155274861608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292076 (or 292072 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 155274861608 in words is "one hundred fifty-five billion, two hundred seventy-four million, eight hundred sixty-one thousand, six hundred eight".