66152369 has 4 divisors (see below), whose sum is σ = 66198000. Its totient is φ = 66106740.

The previous prime is 66152353. The next prime is 66152371. The reversal of 66152369 is 96325166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66152369 - 2⁴ = 66152353 is a prime.

It is a super-2 number, since 2×66152369² = 8752271848624322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66152329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20567 + ... + 23564.

It is an arithmetic number, because the mean of its divisors is an integer number (16549500).

Almost surely, 2^66152369 is an apocalyptic number.

It is an amenable number.

66152369 is a deficient number, since it is larger than the sum of its proper divisors (45631).

66152369 is a wasteful number, since it uses less digits than its factorization.

66152369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45630.

The product of its digits is 58320, while the sum is 38.

The square root of 66152369 is about 8133.4106622007. The cubic root of 66152369 is about 404.4347527973.

The spelling of 66152369 in words is "sixty-six million, one hundred fifty-two thousand, three hundred sixty-nine".