66152107 has 12 divisors (see below), whose sum is σ = 77451600. Its totient is φ = 56334096.

The previous prime is 66152081. The next prime is 66152111. The reversal of 66152107 is 70125166.

It is not a de Polignac number, because 66152107 - 2¹⁹ = 65627819 is a prime.

It is a super-2 number, since 2×66152107² = 8752202521078898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66152197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3394 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (6454300).

Almost surely, 2^66152107 is an apocalyptic number.

66152107 is a deficient number, since it is larger than the sum of its proper divisors (11299493).

66152107 is a wasteful number, since it uses less digits than its factorization.

66152107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770 (or 8763 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 66152107 is about 8133.3945557805. The cubic root of 66152107 is about 404.4342188681.

The spelling of 66152107 in words is "sixty-six million, one hundred fifty-two thousand, one hundred seven".