150531620646 has 32 divisors (see below), whose sum is σ = 333816777216. Its totient is φ = 44867844000.

The previous prime is 150531620639. The next prime is 150531620653. The reversal of 150531620646 is 646026135051.

It is an interprime number because it is at equal distance from previous prime (150531620639) and next prime (150531620653).

It is a super-2 number, since 2×150531620646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18690910 + ... + 18698961.

It is an arithmetic number, because the mean of its divisors is an integer number (10431774288).

Almost surely, 2^150531620646 is an apocalyptic number.

150531620646 is an abundant number, since it is smaller than the sum of its proper divisors (183285156570).

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

150531620646 is a wasteful number, since it uses less digits than its factorization.

150531620646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37389948.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 150531620646 its reverse (646026135051), we get a palindrome (796557755697).

It can be divided in two parts, 150531 and 620646, that added together give a palindrome (771177).

The spelling of 150531620646 in words is "one hundred fifty billion, five hundred thirty-one million, six hundred twenty thousand, six hundred forty-six".