66192419154 has 16 divisors (see below), whose sum is σ = 132862765248. Its totient is φ = 21984485232.

The previous prime is 66192419149. The next prime is 66192419159. The reversal of 66192419154 is 45191429166.

It is an interprime number because it is at equal distance from previous prime (66192419149) and next prime (66192419159).

It is not an unprimeable number, because it can be changed into a prime (66192419159) 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, 19911822 + ... + 19915145.

It is an arithmetic number, because the mean of its divisors is an integer number (8303922828).

Almost surely, 2^66192419154 is an apocalyptic number.

66192419154 is an abundant number, since it is smaller than the sum of its proper divisors (66670346094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66192419154 is a wasteful number, since it uses less digits than its factorization.

66192419154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39827249.

The product of its digits is 466560, while the sum is 48.

The spelling of 66192419154 in words is "sixty-six billion, one hundred ninety-two million, four hundred nineteen thousand, one hundred fifty-four".