655356154564 has 12 divisors (see below), whose sum is σ = 1147107887100. Its totient is φ = 327611043968.

The previous prime is 655356154559. The next prime is 655356154571. The reversal of 655356154564 is 465451653556.

It can be written as a sum of positive squares in 2 ways, for example, as 297943488964 + 357412665600 = 545842^2 + 597840^2 .

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, 16736329 + ... + 16775440.

It is an arithmetic number, because the mean of its divisors is an integer number (95592323925).

Almost surely, 2^655356154564 is an apocalyptic number.

It is an amenable number.

655356154564 is a deficient number, since it is larger than the sum of its proper divisors (491751732536).

655356154564 is a wasteful number, since it uses less digits than its factorization.

655356154564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33516662 (or 33516660 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 55.

The spelling of 655356154564 in words is "six hundred fifty-five billion, three hundred fifty-six million, one hundred fifty-four thousand, five hundred sixty-four".