1650869112 has 32 divisors (see below), whose sum is σ = 4344393600. Its totient is φ = 521326944.

The previous prime is 1650869111. The next prime is 1650869149. The reversal of 1650869112 is 2119680561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650869111) 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, 1809708 + ... + 1810619.

It is an arithmetic number, because the mean of its divisors is an integer number (135762300).

Almost surely, 2^1650869112 is an apocalyptic number.

1650869112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1650869112 is an abundant number, since it is smaller than the sum of its proper divisors (2693524488).

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

1650869112 is a wasteful number, since it uses less digits than its factorization.

1650869112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620355 (or 3620351 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 1650869112 is about 40630.8886439861. Note that the first 3 decimals coincide. The cubic root of 1650869112 is about 1181.8731887741.

The spelling of 1650869112 in words is "one billion, six hundred fifty million, eight hundred sixty-nine thousand, one hundred twelve".