151191616 has 63 divisors (see below), whose sum is σ = 316696471. Its totient is φ = 71611904.

The previous prime is 151191487. The next prime is 151191629. The reversal of 151191616 is 616191151.

The square root of 151191616 is 12296.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 9486400 + 141705216 = 3080^2 + 11904^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2852646 + ... + 2852698.

Almost surely, 2^151191616 is an apocalyptic number.

151191616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

151191616 is the 12296-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151191616

151191616 is an abundant number, since it is smaller than the sum of its proper divisors (165504855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151191616 is an frugal number, since it uses more digits than its factorization.

151191616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 84 counting only the distinct ones).

The product of its digits is 1620, while the sum is 31.

The cubic root of 151191616 is about 532.7325540552.

The spelling of 151191616 in words is "one hundred fifty-one million, one hundred ninety-one thousand, six hundred sixteen".