155201463662656 has 14 divisors (see below), whose sum is σ = 307977904455710. Its totient is φ = 77600731831296.

The previous prime is 155201463662639. The next prime is 155201463662659. The reversal of 155201463662656 is 656266364102551.

It can be written as a sum of positive squares in only one way, i.e., 82225722265600 + 72975741397056 = 9067840^2 + 8542584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155201463662656.

It is not an unprimeable number, because it can be changed into a prime (155201463662659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212511434801 + ... + 1212511434928.

Almost surely, 2^{155201463662656} is an apocalyptic number.

155201463662656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155201463662656 is a deficient number, since it is larger than the sum of its proper divisors (152776440793054).

155201463662656 is an equidigital number, since it uses as much as digits as its factorization.

155201463662656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425022869741 (or 2425022869731 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 58.

The spelling of 155201463662656 in words is "one hundred fifty-five trillion, two hundred one billion, four hundred sixty-three million, six hundred sixty-two thousand, six hundred fifty-six".