1011616032 has 48 divisors (see below), whose sum is σ = 3034850112. Its totient is φ = 289032960.

The previous prime is 1011616013. The next prime is 1011616033. The reversal of 1011616032 is 2306161101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1011616033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752019 + ... + 753362.

It is an arithmetic number, because the mean of its divisors is an integer number (63226044).

Almost surely, 2^1011616032 is an apocalyptic number.

1011616032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011616032 is an abundant number, since it is smaller than the sum of its proper divisors (2023234080).

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

1011616032 is a wasteful number, since it uses less digits than its factorization.

1011616032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505401 (or 1505393 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1011616032 is about 31805.9119032924. The cubic root of 1011616032 is about 1003.8571142088.

Adding to 1011616032 its reverse (2306161101), we get a palindrome (3317777133).

The spelling of 1011616032 in words is "one billion, eleven million, six hundred sixteen thousand, thirty-two".