151660505 has 16 divisors (see below), whose sum is σ = 192205440. Its totient is φ = 114647808.

The previous prime is 151660471. The next prime is 151660511. The reversal of 151660505 is 505066151.

It is a cyclic number.

It is not a de Polignac number, because 151660505 - 2¹⁴ = 151644121 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1601 + ... + 17489.

It is an arithmetic number, because the mean of its divisors is an integer number (12012840).

Almost surely, 2^151660505 is an apocalyptic number.

It is an amenable number.

151660505 is a deficient number, since it is larger than the sum of its proper divisors (40544935).

151660505 is a wasteful number, since it uses less digits than its factorization.

151660505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 151660505 is about 12315.0519690337. The cubic root of 151660505 is about 533.2827050465.

The spelling of 151660505 in words is "one hundred fifty-one million, six hundred sixty thousand, five hundred five".