66148761733 has 8 divisors (see below), whose sum is σ = 67060542848. Its totient is φ = 65237133024.

The previous prime is 66148761703. The next prime is 66148761769. The reversal of 66148761733 is 33716784166.

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

It is a cyclic number.

It is not a de Polignac number, because 66148761733 - 2²⁹ = 65611890821 is a prime.

It is a super-3 number, since 3×66148761733³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66148761703) 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, 1047310 + ... + 1108672.

It is an arithmetic number, because the mean of its divisors is an integer number (8382567856).

Almost surely, 2^66148761733 is an apocalyptic number.

It is an amenable number.

66148761733 is a deficient number, since it is larger than the sum of its proper divisors (911781115).

66148761733 is a wasteful number, since it uses less digits than its factorization.

66148761733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76203.

The product of its digits is 3048192, while the sum is 52.

The spelling of 66148761733 in words is "sixty-six billion, one hundred forty-eight million, seven hundred sixty-one thousand, seven hundred thirty-three".