151661017 has 2 divisors, whose sum is σ = 151661018. Its totient is φ = 151661016.

The previous prime is 151660979. The next prime is 151661033. The reversal of 151661017 is 710166151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101123136 + 50537881 = 10056^2 + 7109^2 .

It is a cyclic number.

It is not a de Polignac number, because 151661017 - 2⁷ = 151660889 is a prime.

It is not a weakly prime, because it can be changed into another prime (151661047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75830508 + 75830509.

It is an arithmetic number, because the mean of its divisors is an integer number (75830509).

Almost surely, 2^151661017 is an apocalyptic number.

It is an amenable number.

151661017 is a deficient number, since it is larger than the sum of its proper divisors (1).

151661017 is an equidigital number, since it uses as much as digits as its factorization.

151661017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 151661017 is about 12315.0727565857. The cubic root of 151661017 is about 533.2833051598.

The spelling of 151661017 in words is "one hundred fifty-one million, six hundred sixty-one thousand, seventeen".