61656651005150 has 24 divisors (see below), whose sum is σ = 114681594130680. Its totient is φ = 24662612388960.

The previous prime is 61656651005141. The next prime is 61656651005167. The reversal of 61656651005150 is 5150015665616.

It is a super-2 number, since 2×61656651005150² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61656651005095 and 61656651005104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36403841 + ... + 38059859.

It is an arithmetic number, because the mean of its divisors is an integer number (4778399755445).

Almost surely, 2^{61656651005150} is an apocalyptic number.

61656651005150 is a deficient number, since it is larger than the sum of its proper divisors (53024943125530).

61656651005150 is a wasteful number, since it uses less digits than its factorization.

61656651005150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400668 (or 2400663 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 61656651005150 in words is "sixty-one trillion, six hundred fifty-six billion, six hundred fifty-one million, five thousand, one hundred fifty".