66912253046 has 8 divisors (see below), whose sum is σ = 100621197840. Its totient is φ = 33371853768.

The previous prime is 66912253043. The next prime is 66912253091. The reversal of 66912253046 is 64035221966.

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

It is a junction number, because it is equal to n+sod(n) for n = 66912252988 and 66912253006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66912253043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42135386 + ... + 42136973.

It is an arithmetic number, because the mean of its divisors is an integer number (12577649730).

Almost surely, 2^66912253046 is an apocalyptic number.

66912253046 is a deficient number, since it is larger than the sum of its proper divisors (33708944794).

66912253046 is a wasteful number, since it uses less digits than its factorization.

66912253046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84272758.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 66912253046 in words is "sixty-six billion, nine hundred twelve million, two hundred fifty-three thousand, forty-six".