1156655016 has 48 divisors (see below), whose sum is σ = 3417392160. Its totient is φ = 350501280.

The previous prime is 1156655011. The next prime is 1156655023. The reversal of 1156655016 is 6105566511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1156655011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729420 + ... + 731003.

It is an arithmetic number, because the mean of its divisors is an integer number (71195670).

Almost surely, 2^1156655016 is an apocalyptic number.

It is an amenable number.

1156655016 is an abundant number, since it is smaller than the sum of its proper divisors (2260737144).

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

1156655016 is a wasteful number, since it uses less digits than its factorization.

1156655016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460446 (or 1460439 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 1156655016 is about 34009.6312241106. The cubic root of 1156655016 is about 1049.7066500240.

The spelling of 1156655016 in words is "one billion, one hundred fifty-six million, six hundred fifty-five thousand, sixteen".