1149974016 has 80 divisors (see below), whose sum is σ = 3162559488. Its totient is φ = 370944000.

The previous prime is 1149974011. The next prime is 1149974017. The reversal of 1149974016 is 6104799411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149974011) 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, 35541 + ... + 59691.

Almost surely, 2^1149974016 is an apocalyptic number.

1149974016 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 1149974016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581279744).

1149974016 is an abundant number, since it is smaller than the sum of its proper divisors (2012585472).

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

1149974016 is an equidigital number, since it uses as much as digits as its factorization.

1149974016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24203 (or 24187 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1149974016 is about 33911.2668002834. The cubic root of 1149974016 is about 1047.6816623397.

The spelling of 1149974016 in words is "one billion, one hundred forty-nine million, nine hundred seventy-four thousand, sixteen".