66152351 has 4 divisors (see below), whose sum is σ = 66834432. Its totient is φ = 65470272.

The previous prime is 66152329. The next prime is 66152353. The reversal of 66152351 is 15325166.

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

It is a cyclic number.

It is not a de Polignac number, because 66152351 - 2¹⁸ = 65890207 is a prime.

It is a super-2 number, since 2×66152351² = 8752267085654402, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66152353) 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, 340895 + ... + 341088.

It is an arithmetic number, because the mean of its divisors is an integer number (16708608).

Almost surely, 2^66152351 is an apocalyptic number.

66152351 is a deficient number, since it is larger than the sum of its proper divisors (682081).

66152351 is an equidigital number, since it uses as much as digits as its factorization.

66152351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682080.

The product of its digits is 5400, while the sum is 29.

The square root of 66152351 is about 8133.4095556538. The cubic root of 66152351 is about 404.4347161152.

The spelling of 66152351 in words is "sixty-six million, one hundred fifty-two thousand, three hundred fifty-one".