151561650 has 24 divisors (see below), whose sum is σ = 375873264. Its totient is φ = 40416400.

The previous prime is 151561649. The next prime is 151561679. The reversal of 151561650 is 56165151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505056 + ... + 505355.

It is an arithmetic number, because the mean of its divisors is an integer number (15661386).

Almost surely, 2^151561650 is an apocalyptic number.

151561650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151561650 is an abundant number, since it is smaller than the sum of its proper divisors (224311614).

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

151561650 is a wasteful number, since it uses less digits than its factorization.

151561650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010426 (or 1010421 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 151561650 is about 12311.0377304271. The cubic root of 151561650 is about 533.1668121623.

The spelling of 151561650 in words is "one hundred fifty-one million, five hundred sixty-one thousand, six hundred fifty".