73075261666 has 16 divisors (see below), whose sum is σ = 121833885888. Its totient is φ = 32589310000.

The previous prime is 73075261631. The next prime is 73075261669. The reversal of 73075261666 is 66616257037.

It is not an unprimeable number, because it can be changed into a prime (73075261669) 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, 31334710 + ... + 31337041.

It is an arithmetic number, because the mean of its divisors is an integer number (7614617868).

Almost surely, 2^73075261666 is an apocalyptic number.

73075261666 is a deficient number, since it is larger than the sum of its proper divisors (48758624222).

73075261666 is a wasteful number, since it uses less digits than its factorization.

73075261666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62671817.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 73075261666 in words is "seventy-three billion, seventy-five million, two hundred sixty-one thousand, six hundred sixty-six".