1607649912 has 96 divisors (see below), whose sum is σ = 4762770480. Its totient is φ = 485844480.

The previous prime is 1607649881. The next prime is 1607649917. The reversal of 1607649912 is 2199467061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1607649917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311868 + ... + 316980.

Almost surely, 2^1607649912 is an apocalyptic number.

1607649912 is a gapful number since it is divisible by the number (12) 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 1607649912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2381385240).

1607649912 is an abundant number, since it is smaller than the sum of its proper divisors (3155120568).

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

1607649912 is a wasteful number, since it uses less digits than its factorization.

1607649912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1607649912 is about 40095.5098733013. The cubic root of 1607649912 is about 1171.4681722371.

The spelling of 1607649912 in words is "one billion, six hundred seven million, six hundred forty-nine thousand, nine hundred twelve".