66402062 has 16 divisors (see below), whose sum is σ = 105211392. Its totient is φ = 31381560.

The previous prime is 66402053. The next prime is 66402067. The reversal of 66402062 is 26020466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66402067) 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, 9788 + ... + 15119.

It is an arithmetic number, because the mean of its divisors is an integer number (6575712).

Almost surely, 2^66402062 is an apocalyptic number.

66402062 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66402062 is a deficient number, since it is larger than the sum of its proper divisors (38809330).

66402062 is a wasteful number, since it uses less digits than its factorization.

66402062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24983.

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

The square root of 66402062 is about 8148.7460385019. The cubic root of 66402062 is about 404.9429620432.

The spelling of 66402062 in words is "sixty-six million, four hundred two thousand, sixty-two".