606411961556 has 12 divisors (see below), whose sum is σ = 1075758206292. Its totient is φ = 299052474048.

The previous prime is 606411961537. The next prime is 606411961607. The reversal of 606411961556 is 655169114606.

It can be written as a sum of positive squares in 2 ways, for example, as 397668972100 + 208742989456 = 630610^2 + 456884^2 .

It is a super-2 number, since 2×606411961556² (a number of 24 digits) contains 22 as substring.

It is a congruent 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, 1038376355 + ... + 1038376938.

It is an arithmetic number, because the mean of its divisors is an integer number (89646517191).

Almost surely, 2^606411961556 is an apocalyptic number.

It is an amenable number.

606411961556 is a deficient number, since it is larger than the sum of its proper divisors (469346244736).

606411961556 is a wasteful number, since it uses less digits than its factorization.

606411961556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076753370 (or 2076753368 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 606411961556 in words is "six hundred six billion, four hundred eleven million, nine hundred sixty-one thousand, five hundred fifty-six".