2660466654 has 64 divisors (see below), whose sum is σ = 5987856960. Its totient is φ = 875520000.

The previous prime is 2660466643. The next prime is 2660466661. The reversal of 2660466654 is 4566640662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3495634 + ... + 3496394.

It is an arithmetic number, because the mean of its divisors is an integer number (93560265).

Almost surely, 2^2660466654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2660466654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2993928480).

2660466654 is an abundant number, since it is smaller than the sum of its proper divisors (3327390306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2660466654 is a wasteful number, since it uses less digits than its factorization.

2660466654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The square root of 2660466654 is about 51579.7116509970. The cubic root of 2660466654 is about 1385.6470025492.

The spelling of 2660466654 in words is "two billion, six hundred sixty million, four hundred sixty-six thousand, six hundred fifty-four".