151663166 has 4 divisors (see below), whose sum is σ = 227494752. Its totient is φ = 75831582.

The previous prime is 151663163. The next prime is 151663177. The reversal of 151663166 is 661366151.

151663166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661366151 = 149 ⋅4438699.

It is a super-2 number, since 2×151663166² = 46003431842287112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151663163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37915790 + ... + 37915793.

It is an arithmetic number, because the mean of its divisors is an integer number (56873688).

Almost surely, 2^151663166 is an apocalyptic number.

151663166 is a deficient number, since it is larger than the sum of its proper divisors (75831586).

151663166 is an equidigital number, since it uses as much as digits as its factorization.

151663166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75831585.

The product of its digits is 19440, while the sum is 35.

The square root of 151663166 is about 12315.1600070807. The cubic root of 151663166 is about 533.2858239798.

The spelling of 151663166 in words is "one hundred fifty-one million, six hundred sixty-three thousand, one hundred sixty-six".