2664556554662 has 4 divisors (see below), whose sum is σ = 3996834831996. Its totient is φ = 1332278277330.

The previous prime is 2664556554661. The next prime is 2664556554731.

It is a happy number.

2664556554662 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2664556554595 and 2664556554604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664556554661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666139138664 + ... + 666139138667.

It is an arithmetic number, because the mean of its divisors is an integer number (999208707999).

Almost surely, 2^{2664556554662} is an apocalyptic number.

2664556554662 is a deficient number, since it is larger than the sum of its proper divisors (1332278277334).

2664556554662 is a wasteful number, since it uses less digits than its factorization.

2664556554662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332278277333.

The product of its digits is 311040000, while the sum is 62.

The spelling of 2664556554662 in words is "two trillion, six hundred sixty-four billion, five hundred fifty-six million, five hundred fifty-four thousand, six hundred sixty-two".