2665051501 has 8 divisors (see below), whose sum is σ = 3061555904. Its totient is φ = 2272492800.

The previous prime is 2665051471. The next prime is 2665051507. The reversal of 2665051501 is 1051505662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2665051501 - 2¹⁷ = 2664920429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665051507) 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, 984975 + ... + 987676.

It is an arithmetic number, because the mean of its divisors is an integer number (382694488).

Almost surely, 2^2665051501 is an apocalyptic number.

It is an amenable number.

2665051501 is a deficient number, since it is larger than the sum of its proper divisors (396504403).

2665051501 is a wasteful number, since it uses less digits than its factorization.

2665051501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972851.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 2665051501 is about 51624.1368063428. The cubic root of 2665051501 is about 1386.4425188256.

The spelling of 2665051501 in words is "two billion, six hundred sixty-five million, fifty-one thousand, five hundred one".