150663561 has 16 divisors (see below), whose sum is σ = 208111680. Its totient is φ = 96884480.

The previous prime is 150663553. The next prime is 150663581. The reversal of 150663561 is 165366051.

It is a cyclic number.

It is not a de Polignac number, because 150663561 - 2³ = 150663553 is a prime.

It is a super-2 number, since 2×150663561² = 45399017226401442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150663581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4066 + ... + 17828.

It is an arithmetic number, because the mean of its divisors is an integer number (13006980).

Almost surely, 2^150663561 is an apocalyptic number.

It is an amenable number.

150663561 is a deficient number, since it is larger than the sum of its proper divisors (57448119).

150663561 is a wasteful number, since it uses less digits than its factorization.

150663561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13896.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 150663561 is about 12274.5085848681. The cubic root of 150663561 is about 532.1116196437. Note that the first 3 decimals are identical.

The spelling of 150663561 in words is "one hundred fifty million, six hundred sixty-three thousand, five hundred sixty-one".