151840816 has 20 divisors (see below), whose sum is σ = 295293600. Its totient is φ = 75636032.

The previous prime is 151840789. The next prime is 151840817. The reversal of 151840816 is 618048151.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (151840817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13336 + ... + 21943.

It is an arithmetic number, because the mean of its divisors is an integer number (14764680).

Almost surely, 2^151840816 is an apocalyptic number.

151840816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151840816 is a deficient number, since it is larger than the sum of its proper divisors (143452784).

151840816 is a wasteful number, since it uses less digits than its factorization.

151840816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35556 (or 35550 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 151840816 is about 12322.3705511561. The cubic root of 151840816 is about 533.4939634219.

Adding to 151840816 its reverse (618048151), we get a palindrome (769888967).

The spelling of 151840816 in words is "one hundred fifty-one million, eight hundred forty thousand, eight hundred sixteen".