66962266941 has 32 divisors (see below), whose sum is σ = 95596758400. Its totient is φ = 41566452480.

The previous prime is 66962266939. The next prime is 66962266951. The reversal of 66962266941 is 14966226966.

It is a happy number.

It is not a de Polignac number, because 66962266941 - 2¹ = 66962266939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66962266951) 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, 4961895 + ... + 4975371.

It is an arithmetic number, because the mean of its divisors is an integer number (2987398700).

Almost surely, 2^66962266941 is an apocalyptic number.

66962266941 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

66962266941 is a deficient number, since it is larger than the sum of its proper divisors (28634491459).

66962266941 is a wasteful number, since it uses less digits than its factorization.

66962266941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14989.

The product of its digits is 10077696, while the sum is 57.

The spelling of 66962266941 in words is "sixty-six billion, nine hundred sixty-two million, two hundred sixty-six thousand, nine hundred forty-one".