155462620663 has 16 divisors (see below), whose sum is σ = 188582852160. Its totient is φ = 125108545536.

The previous prime is 155462620639. The next prime is 155462620777. The reversal of 155462620663 is 366026264551.

It is not a de Polignac number, because 155462620663 - 2⁵ = 155462620631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155462620603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548406 + ... + 1645747.

It is an arithmetic number, because the mean of its divisors is an integer number (11786428260).

Almost surely, 2^155462620663 is an apocalyptic number.

155462620663 is a deficient number, since it is larger than the sum of its proper divisors (33120231497).

155462620663 is a wasteful number, since it uses less digits than its factorization.

155462620663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194586.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 155462620663 in words is "one hundred fifty-five billion, four hundred sixty-two million, six hundred twenty thousand, six hundred sixty-three".