151216065 has 160 divisors (see below), whose sum is σ = 364928256. Its totient is φ = 57853440.

The previous prime is 151216057. The next prime is 151216127. The reversal of 151216065 is 560612151.

It is a happy number.

151216065 is a `hidden beast` number, since 1 + 51 + 2 + 1 + 606 + 5 = 666.

It is not a de Polignac number, because 151216065 - 2³ = 151216057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 405219 + ... + 405591.

Almost surely, 2^151216065 is an apocalyptic number.

151216065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151216065 is an abundant number, since it is smaller than the sum of its proper divisors (213712191).

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

151216065 is a wasteful number, since it uses less digits than its factorization.

151216065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 151216065 is about 12296.9941449120. The cubic root of 151216065 is about 532.7612683374.

The spelling of 151216065 in words is "one hundred fifty-one million, two hundred sixteen thousand, sixty-five".