7950530971656 has 384 divisors, whose sum is σ = 26989555057920. Its totient is φ = 2058464212992.

The previous prime is 7950530971619. The next prime is 7950530971703. The reversal of 7950530971656 is 6561790350597.

7950530971656 is a `hidden beast` number, since 7 + 9 + 5 + 0 + 530 + 97 + 1 + 6 + 5 + 6 = 666.

It is a super-2 number, since 2×7950530971656² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 7950530971593 and 7950530971602.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128591406 + ... + 128653218.

It is an arithmetic number, because the mean of its divisors is an integer number (70285299630).

Almost surely, 2^{7950530971656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7950530971656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13494777528960).

7950530971656 is an abundant number, since it is smaller than the sum of its proper divisors (19039024086264).

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

7950530971656 is a wasteful number, since it uses less digits than its factorization.

7950530971656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62205 (or 62198 counting only the distinct ones).

The product of its (nonzero) digits is 53581500, while the sum is 63.

The spelling of 7950530971656 in words is "seven trillion, nine hundred fifty billion, five hundred thirty million, nine hundred seventy-one thousand, six hundred fifty-six".