61010295631656 has 128 divisors (see below), whose sum is σ = 178575588576000. Its totient is φ = 17005509457920.

The previous prime is 61010295631573. The next prime is 61010295631657. The reversal of 61010295631656 is 65613659201016.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61010295631599 and 61010295631608.

It is not an unprimeable number, because it can be changed into a prime (61010295631657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145464906 + ... + 145883718.

It is an arithmetic number, because the mean of its divisors is an integer number (1395121785750).

Almost surely, 2^{61010295631656} is an apocalyptic number.

It is an amenable number.

61010295631656 is an abundant number, since it is smaller than the sum of its proper divisors (117565292944344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61010295631656 is a wasteful number, since it uses less digits than its factorization.

61010295631656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440019 (or 440015 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 61010295631656 in words is "sixty-one trillion, ten billion, two hundred ninety-five million, six hundred thirty-one thousand, six hundred fifty-six".