154263870656 has 56 divisors (see below), whose sum is σ = 353312370336. Its totient is φ = 65458483200.

The previous prime is 154263870647. The next prime is 154263870667. The reversal of 154263870656 is 656078362451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 154263870598 and 154263870607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659401 + ... + 1749896.

Almost surely, 2^154263870656 is an apocalyptic number.

154263870656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

154263870656 is an abundant number, since it is smaller than the sum of its proper divisors (199048499680).

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

154263870656 is a wasteful number, since it uses less digits than its factorization.

154263870656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409417 (or 3409407 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 154263870656 in words is "one hundred fifty-four billion, two hundred sixty-three million, eight hundred seventy thousand, six hundred fifty-six".