66134777462 has 16 divisors (see below), whose sum is σ = 106842723792. Its totient is φ = 30520994400.

The previous prime is 66134777437. The next prime is 66134777479. The reversal of 66134777462 is 26477743166.

It is a happy number.

It is a super-2 number, since 2×66134777462² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195533 + ... + 412919.

It is an arithmetic number, because the mean of its divisors is an integer number (6677670237).

Almost surely, 2^66134777462 is an apocalyptic number.

66134777462 is a deficient number, since it is larger than the sum of its proper divisors (40707946330).

66134777462 is a wasteful number, since it uses less digits than its factorization.

66134777462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229103.

The product of its digits is 7112448, while the sum is 53.

The spelling of 66134777462 in words is "sixty-six billion, one hundred thirty-four million, seven hundred seventy-seven thousand, four hundred sixty-two".