151366381 has 8 divisors (see below), whose sum is σ = 158209344. Its totient is φ = 144545280.

The previous prime is 151366363. The next prime is 151366393. The reversal of 151366381 is 183663151.

151366381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 151366381 - 2⁷ = 151366253 is a prime.

It is a super-2 number, since 2×151366381² = 45823562594074322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151366361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9610 + ... + 19876.

It is an arithmetic number, because the mean of its divisors is an integer number (19776168).

Almost surely, 2^151366381 is an apocalyptic number.

It is an amenable number.

151366381 is a deficient number, since it is larger than the sum of its proper divisors (6842963).

151366381 is a wasteful number, since it uses less digits than its factorization.

151366381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10931.

The product of its digits is 12960, while the sum is 34.

The square root of 151366381 is about 12303.1045269070. The cubic root of 151366381 is about 532.9377399360.

The spelling of 151366381 in words is "one hundred fifty-one million, three hundred sixty-six thousand, three hundred eighty-one".