66153134 has 4 divisors (see below), whose sum is σ = 99229704. Its totient is φ = 33076566.

The previous prime is 66153133. The next prime is 66153167. The reversal of 66153134 is 43135166.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 66153097 and 66153106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66153133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16538282 + ... + 16538285.

It is an arithmetic number, because the mean of its divisors is an integer number (24807426).

Almost surely, 2^66153134 is an apocalyptic number.

66153134 is a deficient number, since it is larger than the sum of its proper divisors (33076570).

66153134 is a wasteful number, since it uses less digits than its factorization.

66153134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33076569.

The product of its digits is 6480, while the sum is 29.

The square root of 66153134 is about 8133.4576903061. The cubic root of 66153134 is about 404.4363117810.

The spelling of 66153134 in words is "sixty-six million, one hundred fifty-three thousand, one hundred thirty-four".