151671961 has 8 divisors (see below), whose sum is σ = 177027840. Its totient is φ = 127238208.

The previous prime is 151671953. The next prime is 151671983. The reversal of 151671961 is 169176151.

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 151671961 - 2³ = 151671953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151671961.

It is not an unprimeable number, because it can be changed into a prime (151671941) 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, 230176 + ... + 230833.

It is an arithmetic number, because the mean of its divisors is an integer number (22128480).

Almost surely, 2^151671961 is an apocalyptic number.

It is an amenable number.

151671961 is a deficient number, since it is larger than the sum of its proper divisors (25355879).

151671961 is an equidigital number, since it uses as much as digits as its factorization.

151671961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461063.

The product of its digits is 11340, while the sum is 37.

The square root of 151671961 is about 12315.5170821204. The cubic root of 151671961 is about 533.2961322576.

The spelling of 151671961 in words is "one hundred fifty-one million, six hundred seventy-one thousand, nine hundred sixty-one".