611061656 has 8 divisors (see below), whose sum is σ = 1145740620. Its totient is φ = 305530824.

The previous prime is 611061613. The next prime is 611061667. The reversal of 611061656 is 656160116.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38191346 + ... + 38191361.

Almost surely, 2^611061656 is an apocalyptic number.

It is an amenable number.

611061656 is a deficient number, since it is larger than the sum of its proper divisors (534678964).

611061656 is a wasteful number, since it uses less digits than its factorization.

611061656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76382713 (or 76382709 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 611061656 is about 24719.6613245408. The cubic root of 611061656 is about 848.5843360419.

The spelling of 611061656 in words is "six hundred eleven million, sixty-one thousand, six hundred fifty-six".