66146152351 has 8 divisors (see below), whose sum is σ = 66205941984. Its totient is φ = 66086392800.

The previous prime is 66146152343. The next prime is 66146152357. The reversal of 66146152351 is 15325164166.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66146152351 - 2³ = 66146152343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66146152357) 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, 6985246 + ... + 6994708.

It is an arithmetic number, because the mean of its divisors is an integer number (8275742748).

Almost surely, 2^66146152351 is an apocalyptic number.

66146152351 is a deficient number, since it is larger than the sum of its proper divisors (59789633).

66146152351 is a wasteful number, since it uses less digits than its factorization.

66146152351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041.

The product of its digits is 129600, while the sum is 40.

The spelling of 66146152351 in words is "sixty-six billion, one hundred forty-six million, one hundred fifty-two thousand, three hundred fifty-one".