66102043 has 8 divisors (see below), whose sum is σ = 75736800. Its totient is φ = 56515200.

The previous prime is 66102041. The next prime is 66102053. The reversal of 66102043 is 34020166.

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

It is not a de Polignac number, because 66102043 - 2¹ = 66102041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66102041) 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, 8968 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (9467100).

Almost surely, 2^66102043 is an apocalyptic number.

66102043 is a deficient number, since it is larger than the sum of its proper divisors (9634757).

66102043 is a wasteful number, since it uses less digits than its factorization.

66102043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23957.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 66102043 is about 8130.3162915104. The cubic root of 66102043 is about 404.3321676733.

The spelling of 66102043 in words is "sixty-six million, one hundred two thousand, forty-three".