1015116156656 has 80 divisors (see below), whose sum is σ = 2346387631104. Its totient is φ = 415974569472.

The previous prime is 1015116156611. The next prime is 1015116156673. The reversal of 1015116156656 is 6566516115101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6744236 + ... + 6893108.

Almost surely, 2^{1015116156656} is an apocalyptic number.

1015116156656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1015116156656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173193815552).

1015116156656 is an abundant number, since it is smaller than the sum of its proper divisors (1331271474448).

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

1015116156656 is a wasteful number, since it uses less digits than its factorization.

1015116156656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151558 (or 151552 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 1015116156656 in words is "one trillion, fifteen billion, one hundred sixteen million, one hundred fifty-six thousand, six hundred fifty-six".