151516616 has 8 divisors (see below), whose sum is σ = 284093670. Its totient is φ = 75758304.

The previous prime is 151516613. The next prime is 151516643. The reversal of 151516616 is 616615151.

151516616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 148108900 + 3407716 = 12170^2 + 1846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (151516613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9469781 + ... + 9469796.

Almost surely, 2^151516616 is an apocalyptic number.

It is an amenable number.

151516616 is a deficient number, since it is larger than the sum of its proper divisors (132577054).

151516616 is a wasteful number, since it uses less digits than its factorization.

151516616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18939583 (or 18939579 counting only the distinct ones).

The product of its digits is 5400, while the sum is 32.

The square root of 151516616 is about 12309.2085854453. The cubic root of 151516616 is about 533.1139997419.

The spelling of 151516616 in words is "one hundred fifty-one million, five hundred sixteen thousand, six hundred sixteen".