2665453662 has 16 divisors (see below), whose sum is σ = 5923230480. Its totient is φ = 888484536.

The previous prime is 2665453657. The next prime is 2665453667. The reversal of 2665453662 is 2663545662.

2665453662 is a `hidden beast` number, since 2 + 6 + 6 + 54 + 536 + 62 = 666.

It is an interprime number because it is at equal distance from previous prime (2665453657) and next prime (2665453667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665453667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24680073 + ... + 24680180.

It is an arithmetic number, because the mean of its divisors is an integer number (370201905).

Almost surely, 2^2665453662 is an apocalyptic number.

2665453662 is an abundant number, since it is smaller than the sum of its proper divisors (3257776818).

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

2665453662 is a wasteful number, since it uses less digits than its factorization.

2665453662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49360264 (or 49360258 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The square root of 2665453662 is about 51628.0317463294. The cubic root of 2665453662 is about 1386.5122541967.

The spelling of 2665453662 in words is "two billion, six hundred sixty-five million, four hundred fifty-three thousand, six hundred sixty-two".