1680915150 has 72 divisors (see below), whose sum is σ = 4621136520. Its totient is φ = 437814720.

The previous prime is 1680915149. The next prime is 1680915151. The reversal of 1680915150 is 515190861.

It is an interprime number because it is at equal distance from previous prime (1680915149) and next prime (1680915151).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680915151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24085 + ... + 62784.

Almost surely, 2^1680915150 is an apocalyptic number.

1680915150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1680915150 is an abundant number, since it is smaller than the sum of its proper divisors (2940221370).

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

1680915150 is a wasteful number, since it uses less digits than its factorization.

1680915150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86930 (or 86922 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 1680915150 is about 40998.9652308445. The cubic root of 1680915150 is about 1189.0002077260. Note that the first 3 decimals are identical.

The spelling of 1680915150 in words is "one billion, six hundred eighty million, nine hundred fifteen thousand, one hundred fifty".