151662378239 has 4 divisors (see below), whose sum is σ = 160583694624. Its totient is φ = 142741061856.

The previous prime is 151662378221. The next prime is 151662378251. The reversal of 151662378239 is 932873266151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151662378239 - 2⁸ = 151662377983 is a prime.

It is a super-2 number, since 2×151662378239² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151662378299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4460658167 + ... + 4460658200.

It is an arithmetic number, because the mean of its divisors is an integer number (40145923656).

Almost surely, 2^151662378239 is an apocalyptic number.

151662378239 is a deficient number, since it is larger than the sum of its proper divisors (8921316385).

151662378239 is an equidigital number, since it uses as much as digits as its factorization.

151662378239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921316384.

The product of its digits is 3265920, while the sum is 53.

The spelling of 151662378239 in words is "one hundred fifty-one billion, six hundred sixty-two million, three hundred seventy-eight thousand, two hundred thirty-nine".