7356001666 has 16 divisors (see below), whose sum is σ = 11890638144. Its totient is φ = 3392830224.

The previous prime is 7356001607. The next prime is 7356001669. The reversal of 7356001666 is 6661006537.

It is a super-3 number, since 3×7356001666³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (7356001669) 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, 53286 + ... + 132481.

It is an arithmetic number, because the mean of its divisors is an integer number (743164884).

Almost surely, 2^7356001666 is an apocalyptic number.

7356001666 is a deficient number, since it is larger than the sum of its proper divisors (4534636478).

7356001666 is a wasteful number, since it uses less digits than its factorization.

7356001666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187305.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 7356001666 is about 85767.1362819116. The cubic root of 7356001666 is about 1944.8253481468.

The spelling of 7356001666 in words is "seven billion, three hundred fifty-six million, one thousand, six hundred sixty-six".