1015166156928 has 640 divisors, whose sum is σ = 3455851392000. Its totient is φ = 261832919040.

The previous prime is 1015166156827. The next prime is 1015166156951. The reversal of 1015166156928 is 8296516615101.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2018222725 + ... + 2018223227.

It is an arithmetic number, because the mean of its divisors is an integer number (5399767800).

Almost surely, 2^{1015166156928} 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 1015166156928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727925696000).

1015166156928 is an abundant number, since it is smaller than the sum of its proper divisors (2440685235072).

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

1015166156928 is an equidigital number, since it uses as much as digits as its factorization.

1015166156928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 51.

The spelling of 1015166156928 in words is "one trillion, fifteen billion, one hundred sixty-six million, one hundred fifty-six thousand, nine hundred twenty-eight".