66167652 has 24 divisors (see below), whose sum is σ = 162517600. Its totient is φ = 20894976.

The previous prime is 66167641. The next prime is 66167653. The reversal of 66167652 is 25676166.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 66167652.

It is not an unprimeable number, because it can be changed into a prime (66167653) 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, 144877 + ... + 145332.

Almost surely, 2^66167652 is an apocalyptic number.

It is an amenable number.

66167652 is an abundant number, since it is smaller than the sum of its proper divisors (96349948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66167652 is a wasteful number, since it uses less digits than its factorization.

66167652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290235 (or 290233 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 66167652 is about 8134.3501276992. The cubic root of 66167652 is about 404.4658955490.

The spelling of 66167652 in words is "sixty-six million, one hundred sixty-seven thousand, six hundred fifty-two".