66426135 has 16 divisors (see below), whose sum is σ = 107277696. Its totient is φ = 35095328.

The previous prime is 66426127. The next prime is 66426167. The reversal of 66426135 is 53162466.

It is a cyclic number.

It is not a de Polignac number, because 66426135 - 2³ = 66426127 is a prime.

It is a super-2 number, since 2×66426135² = 8824862822076450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66426096 and 66426105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19089 + ... + 22298.

It is an arithmetic number, because the mean of its divisors is an integer number (6704856).

Almost surely, 2^66426135 is an apocalyptic number.

66426135 is a deficient number, since it is larger than the sum of its proper divisors (40851561).

66426135 is a wasteful number, since it uses less digits than its factorization.

66426135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41502.

The product of its digits is 25920, while the sum is 33.

The square root of 66426135 is about 8150.2230030840. The cubic root of 66426135 is about 404.9918913176.

The spelling of 66426135 in words is "sixty-six million, four hundred twenty-six thousand, one hundred thirty-five".