2661662352060 has 36 divisors (see below), whose sum is σ = 8073709135128. Its totient is φ = 709776627168.

The previous prime is 2661662352023. The next prime is 2661662352071. The reversal of 2661662352060 is 602532661662.

2661662352060 is a `hidden beast` number, since 2 + 6 + 6 + 1 + 6 + 62 + 3 + 520 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2661662351997 and 2661662352015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7393506354 + ... + 7393506713.

It is an arithmetic number, because the mean of its divisors is an integer number (224269698198).

Almost surely, 2^{2661662352060} is an apocalyptic number.

2661662352060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2661662352060 is an abundant number, since it is smaller than the sum of its proper divisors (5412046783068).

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

2661662352060 is a wasteful number, since it uses less digits than its factorization.

2661662352060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14787013082 (or 14787013077 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 2661662352060 in words is "two trillion, six hundred sixty-one billion, six hundred sixty-two million, three hundred fifty-two thousand, sixty".