2466664666642 has 96 divisors (see below), whose sum is σ = 4433594538240. Its totient is φ = 1025222352000.

The previous prime is 2466664666591. The next prime is 2466664666643.

2466664666642 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2466664666643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16227163 + ... + 16378465.

It is an arithmetic number, because the mean of its divisors is an integer number (46183276440).

Almost surely, 2^{2466664666642} is an apocalyptic number.

2466664666642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2466664666642 is a deficient number, since it is larger than the sum of its proper divisors (1966929871598).

2466664666642 is a wasteful number, since it uses less digits than its factorization.

2466664666642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151480 (or 151469 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 64.

The spelling of 2466664666642 in words is "two trillion, four hundred sixty-six billion, six hundred sixty-four million, six hundred sixty-six thousand, six hundred forty-two".