5402513666 has 16 divisors (see below), whose sum is σ = 9056099808. Its totient is φ = 2395792800.

The previous prime is 5402513647. The next prime is 5402513681. The reversal of 5402513666 is 6663152045.

It is a happy number.

It is a super-2 number, since 2×5402513666² = 58374307822633519112, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2993840 + ... + 2995643.

It is an arithmetic number, because the mean of its divisors is an integer number (566006238).

Almost surely, 2^5402513666 is an apocalyptic number.

5402513666 is a deficient number, since it is larger than the sum of its proper divisors (3653586142).

5402513666 is a wasteful number, since it uses less digits than its factorization.

5402513666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989537.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 5402513666 is about 73501.7936243735. The cubic root of 5402513666 is about 1754.6828230687.

The spelling of 5402513666 in words is "five billion, four hundred two million, five hundred thirteen thousand, six hundred sixty-six".