155089967922 has 30 divisors (see below), whose sum is σ = 347527641549. Its totient is φ = 51694985160.

The previous prime is 155089967899. The next prime is 155089967933. The reversal of 155089967922 is 229769980551.

155089967922 is a `hidden beast` number, since 1 + 550 + 8 + 9 + 9 + 6 + 79 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 147485953521 + 7604014401 = 384039^2 + 87201^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=278469.

It is a self number, because there is not a number n which added to its sum of digits gives 155089967922.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4996972 + ... + 5027912.

Almost surely, 2^155089967922 is an apocalyptic number.

155089967922 is an abundant number, since it is smaller than the sum of its proper divisors (192437673627).

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

155089967922 is an frugal number, since it uses more digits than its factorization.

155089967922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61896 (or 30946 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 155089967922 in words is "one hundred fifty-five billion, eighty-nine million, nine hundred sixty-seven thousand, nine hundred twenty-two".