151603161 has 16 divisors (see below), whose sum is σ = 218070144. Its totient is φ = 93327104.

The previous prime is 151603139. The next prime is 151603169. The reversal of 151603161 is 161306151.

It is a cyclic number.

It is not a de Polignac number, because 151603161 - 2¹⁰ = 151602137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151603169) by changing a digit.

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, 25341 + ... + 30746.

It is an arithmetic number, because the mean of its divisors is an integer number (13629384).

Almost surely, 2^151603161 is an apocalyptic number.

It is an amenable number.

151603161 is a deficient number, since it is larger than the sum of its proper divisors (66466983).

151603161 is a wasteful number, since it uses less digits than its factorization.

151603161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56160.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 151603161 is about 12312.7235411179. The cubic root of 151603161 is about 533.2154838134.

The spelling of 151603161 in words is "one hundred fifty-one million, six hundred three thousand, one hundred sixty-one".