153241620656 has 20 divisors (see below), whose sum is σ = 301337069592. Its totient is φ = 75477215616.

The previous prime is 153241620593. The next prime is 153241620661. The reversal of 153241620656 is 656026142351.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71473565 + ... + 71475708.

Almost surely, 2^153241620656 is an apocalyptic number.

153241620656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

153241620656 is a deficient number, since it is larger than the sum of its proper divisors (148095448936).

153241620656 is a wasteful number, since it uses less digits than its factorization.

153241620656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142949348 (or 142949342 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 153241620656 in words is "one hundred fifty-three billion, two hundred forty-one million, six hundred twenty thousand, six hundred fifty-six".