151166501 has 2 divisors, whose sum is σ = 151166502. Its totient is φ = 151166500.

The previous prime is 151166461. The next prime is 151166513. The reversal of 151166501 is 105661151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99700225 + 51466276 = 9985^2 + 7174^2 .

It is an emirp because it is prime and its reverse (105661151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151166501 - 2²⁶ = 84057637 is a prime.

It is a super-2 number, since 2×151166501² = 45702622049166002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151166551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75583250 + 75583251.

It is an arithmetic number, because the mean of its divisors is an integer number (75583251).

Almost surely, 2^151166501 is an apocalyptic number.

It is an amenable number.

151166501 is a deficient number, since it is larger than the sum of its proper divisors (1).

151166501 is an equidigital number, since it uses as much as digits as its factorization.

151166501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 151166501 is about 12294.9786905061. The cubic root of 151166501 is about 532.7030543616.

The spelling of 151166501 in words is "one hundred fifty-one million, one hundred sixty-six thousand, five hundred one".