66148995 has 16 divisors (see below), whose sum is σ = 115460352. Its totient is φ = 32072160.

The previous prime is 66148987. The next prime is 66149059. The reversal of 66148995 is 59984166.

It is not a de Polignac number, because 66148995 - 2³ = 66148987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200287 + ... + 200616.

It is an arithmetic number, because the mean of its divisors is an integer number (7216272).

Almost surely, 2^66148995 is an apocalyptic number.

66148995 is a deficient number, since it is larger than the sum of its proper divisors (49311357).

66148995 is a wasteful number, since it uses less digits than its factorization.

66148995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400922.

The product of its digits is 466560, while the sum is 48.

The square root of 66148995 is about 8133.2032434951. The cubic root of 66148995 is about 404.4278768226.

The spelling of 66148995 in words is "sixty-six million, one hundred forty-eight thousand, nine hundred ninety-five".