2666546456662 has 96 divisors (see below), whose sum is σ = 4465135584000. Its totient is φ = 1193335260480.

The previous prime is 2666546456633. The next prime is 2666546456701.

2666546456662 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2666546456662² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666546456594 and 2666546456603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3126079828 + ... + 3126080680.

It is an arithmetic number, because the mean of its divisors is an integer number (46511829000).

Almost surely, 2^{2666546456662} is an apocalyptic number.

2666546456662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2666546456662 is a deficient number, since it is larger than the sum of its proper divisors (1798589127338).

2666546456662 is a wasteful number, since it uses less digits than its factorization.

2666546456662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1671 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 64.

The spelling of 2666546456662 in words is "two trillion, six hundred sixty-six billion, five hundred forty-six million, four hundred fifty-six thousand, six hundred sixty-two".