151612311646 has 16 divisors (see below), whose sum is σ = 228219702480. Its totient is φ = 75539208960.

The previous prime is 151612311637. The next prime is 151612311647. The reversal of 151612311646 is 646113216151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151612311647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2438190 + ... + 2499598.

It is an arithmetic number, because the mean of its divisors is an integer number (14263731405).

Almost surely, 2^151612311646 is an apocalyptic number.

151612311646 is a deficient number, since it is larger than the sum of its proper divisors (76607390834).

151612311646 is a wasteful number, since it uses less digits than its factorization.

151612311646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65739.

The product of its digits is 25920, while the sum is 37.

Adding to 151612311646 its reverse (646113216151), we get a palindrome (797725527797).

The spelling of 151612311646 in words is "one hundred fifty-one billion, six hundred twelve million, three hundred eleven thousand, six hundred forty-six".