15150661 has 8 divisors (see below), whose sum is σ = 15715584. Its totient is φ = 14590560.

The previous prime is 15150637. The next prime is 15150683. The reversal of 15150661 is 16605151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15150661 - 2⁷ = 15150533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15150601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5961 + ... + 8113.

It is an arithmetic number, because the mean of its divisors is an integer number (1964448).

Almost surely, 2^15150661 is an apocalyptic number.

It is an amenable number.

15150661 is a deficient number, since it is larger than the sum of its proper divisors (564923).

15150661 is a wasteful number, since it uses less digits than its factorization.

15150661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 15150661 is about 3892.3850015126. The cubic root of 15150661 is about 247.4441515997. Note that the first 3 decimals are identical.

The spelling of 15150661 in words is "fifteen million, one hundred fifty thousand, six hundred sixty-one".