66314402 has 32 divisors (see below), whose sum is σ = 124637184. Its totient is φ = 25707600.

The previous prime is 66314393. The next prime is 66314411. The reversal of 66314402 is 20441366.

It is an interprime number because it is at equal distance from previous prime (66314393) and next prime (66314411).

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, 33377 + ... + 35307.

It is an arithmetic number, because the mean of its divisors is an integer number (3894912).

Almost surely, 2^66314402 is an apocalyptic number.

66314402 is a deficient number, since it is larger than the sum of its proper divisors (58322782).

66314402 is a wasteful number, since it uses less digits than its factorization.

66314402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 66314402 is about 8143.3655204713. The cubic root of 66314402 is about 404.7646898083.

Adding to 66314402 its reverse (20441366), we get a palindrome (86755768).

The spelling of 66314402 in words is "sixty-six million, three hundred fourteen thousand, four hundred two".