66426151 has 8 divisors (see below), whose sum is σ = 72638208. Its totient is φ = 60243000.

The previous prime is 66426127. The next prime is 66426167. The reversal of 66426151 is 15162466.

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 66426151 - 2²³ = 58037543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66426121) 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, 2265 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (9079776).

Almost surely, 2^66426151 is an apocalyptic number.

66426151 is a deficient number, since it is larger than the sum of its proper divisors (6212057).

66426151 is a wasteful number, since it uses less digits than its factorization.

66426151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14453.

The product of its digits is 8640, while the sum is 31.

The square root of 66426151 is about 8150.2239846522. The cubic root of 66426151 is about 404.9919238343.

The spelling of 66426151 in words is "sixty-six million, four hundred twenty-six thousand, one hundred fifty-one".