151968519 has 6 divisors (see below), whose sum is σ = 219510096. Its totient is φ = 101312340.

The previous prime is 151968511. The next prime is 151968533. The reversal of 151968519 is 915869151.

151968519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151968519 - 2³ = 151968511 is a prime.

It is a super-2 number, since 2×151968519² = 46188861534106722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151968511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8442687 + ... + 8442704.

It is an arithmetic number, because the mean of its divisors is an integer number (36585016).

Almost surely, 2^151968519 is an apocalyptic number.

151968519 is a deficient number, since it is larger than the sum of its proper divisors (67541577).

151968519 is a wasteful number, since it uses less digits than its factorization.

151968519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16885397 (or 16885394 counting only the distinct ones).

The product of its digits is 97200, while the sum is 45.

The square root of 151968519 is about 12327.5512166853. The cubic root of 151968519 is about 533.6434833618.

The spelling of 151968519 in words is "one hundred fifty-one million, nine hundred sixty-eight thousand, five hundred nineteen".