2661350336501 has 8 divisors (see below), whose sum is σ = 2778086574264. Its totient is φ = 2546972406720.

The previous prime is 2661350336467. The next prime is 2661350336507. The reversal of 2661350336501 is 1056330531662.

2661350336501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12353211025 + 2648997125476 = 111145^2 + 1627574^2 .

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 2661350336501 - 2¹⁰ = 2661350335477 is a prime.

It is a super-2 number, since 2×2661350336501² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661350336507) 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, 589574690 + ... + 589579203.

It is an arithmetic number, because the mean of its divisors is an integer number (347260821783).

Almost surely, 2^{2661350336501} is an apocalyptic number.

It is an amenable number.

2661350336501 is a deficient number, since it is larger than the sum of its proper divisors (116736237763).

2661350336501 is a wasteful number, since it uses less digits than its factorization.

2661350336501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179153991.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 2661350336501 in words is "two trillion, six hundred sixty-one billion, three hundred fifty million, three hundred thirty-six thousand, five hundred one".