150661630644 has 36 divisors (see below), whose sum is σ = 408938713344. Its totient is φ = 43046180016.

The previous prime is 150661630643. The next prime is 150661630667. The reversal of 150661630644 is 446036166051.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 150661630596 and 150661630605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150661630643) 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 11 ways as a sum of consecutive naturals, for example, 128113044 + ... + 128114219.

It is an arithmetic number, because the mean of its divisors is an integer number (11359408704).

Almost surely, 2^150661630644 is an apocalyptic number.

150661630644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

150661630644 is an abundant number, since it is smaller than the sum of its proper divisors (258277082700).

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

150661630644 is a wasteful number, since it uses less digits than its factorization.

150661630644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256227284 (or 256227275 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 150661630644 its reverse (446036166051), we get a palindrome (596697796695).

The spelling of 150661630644 in words is "one hundred fifty billion, six hundred sixty-one million, six hundred thirty thousand, six hundred forty-four".