151667201 has 12 divisors (see below), whose sum is σ = 176777748. Its totient is φ = 129743712.

The previous prime is 151667171. The next prime is 151667273. The reversal of 151667201 is 102766151.

It can be written as a sum of positive squares in 2 ways, for example, as 80281600 + 71385601 = 8960^2 + 8449^2 .

It is not a de Polignac number, because 151667201 - 2⁶ = 151667137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151667401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24515 + ... + 30071.

It is an arithmetic number, because the mean of its divisors is an integer number (14731479).

Almost surely, 2^151667201 is an apocalyptic number.

It is an amenable number.

151667201 is a deficient number, since it is larger than the sum of its proper divisors (25110547).

151667201 is an equidigital number, since it uses as much as digits as its factorization.

151667201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128 (or 6121 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 151667201 is about 12315.3238284667. The cubic root of 151667201 is about 533.2905532960.

The spelling of 151667201 in words is "one hundred fifty-one million, six hundred sixty-seven thousand, two hundred one".