66542035467 has 32 divisors (see below), whose sum is σ = 96371672320. Its totient is φ = 40696629120.

The previous prime is 66542035453. The next prime is 66542035481. The reversal of 66542035467 is 76453024566.

It is an interprime number because it is at equal distance from previous prime (66542035453) and next prime (66542035481).

It is not a de Polignac number, because 66542035467 - 2⁶ = 66542035403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66542035447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370233 + ... + 519765.

It is an arithmetic number, because the mean of its divisors is an integer number (3011614760).

Almost surely, 2^66542035467 is an apocalyptic number.

66542035467 is a deficient number, since it is larger than the sum of its proper divisors (29829636853).

66542035467 is a wasteful number, since it uses less digits than its factorization.

66542035467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149803.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 66542035467 in words is "sixty-six billion, five hundred forty-two million, thirty-five thousand, four hundred sixty-seven".