1015661016 has 24 divisors (see below), whose sum is σ = 2750748780. Its totient is φ = 338553648.

The previous prime is 1015660993. The next prime is 1015661057. The reversal of 1015661016 is 6101665101.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7053130 + ... + 7053273.

Almost surely, 2^1015661016 is an apocalyptic number.

It is an amenable number.

1015661016 is an abundant number, since it is smaller than the sum of its proper divisors (1735087764).

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

1015661016 is a wasteful number, since it uses less digits than its factorization.

1015661016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14106415 (or 14106408 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1015661016 is about 31869.4370204433. The cubic root of 1015661016 is about 1005.1933213906.

The spelling of 1015661016 in words is "one billion, fifteen million, six hundred sixty-one thousand, sixteen".