151660361 has 8 divisors (see below), whose sum is σ = 153606600. Its totient is φ = 149719680.

The previous prime is 151660357. The next prime is 151660363. The reversal of 151660361 is 163066151.

It can be written as a sum of positive squares in 4 ways, for example, as 11971600 + 139688761 = 3460^2 + 11819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151660361 - 2² = 151660357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151660363) 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 in 7 ways as a sum of consecutive naturals, for example, 90035 + ... + 91703.

It is an arithmetic number, because the mean of its divisors is an integer number (19200825).

Almost surely, 2^151660361 is an apocalyptic number.

It is an amenable number.

151660361 is a deficient number, since it is larger than the sum of its proper divisors (1946239).

151660361 is a wasteful number, since it uses less digits than its factorization.

151660361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 151660361 is about 12315.0461225283. The cubic root of 151660361 is about 533.2825362644.

The spelling of 151660361 in words is "one hundred fifty-one million, six hundred sixty thousand, three hundred sixty-one".