66162494 has 8 divisors (see below), whose sum is σ = 102445248. Its totient is φ = 32014080.

The previous prime is 66162461. The next prime is 66162527. The reversal of 66162494 is 49426166.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66162461) and next prime (66162527).

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

It is a super-2 number, since 2×66162494² = 8754951224600072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533507 + ... + 533630.

It is an arithmetic number, because the mean of its divisors is an integer number (12805656).

Almost surely, 2^66162494 is an apocalyptic number.

66162494 is a deficient number, since it is larger than the sum of its proper divisors (36282754).

66162494 is a wasteful number, since it uses less digits than its factorization.

66162494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067170.

The product of its digits is 62208, while the sum is 38.

The square root of 66162494 is about 8134.0330709925. The cubic root of 66162494 is about 404.4553854319.

The spelling of 66162494 in words is "sixty-six million, one hundred sixty-two thousand, four hundred ninety-four".