2069180690640 has 120 divisors (see below), whose sum is σ = 7461718981920. Its totient is φ = 472955583744.

The previous prime is 2069180690593. The next prime is 2069180690693. The reversal of 2069180690640 is 460960819602.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87963610 + ... + 87987129.

It is an arithmetic number, because the mean of its divisors is an integer number (62180991516).

Almost surely, 2^{2069180690640} is an apocalyptic number.

2069180690640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2069180690640 is an abundant number, since it is smaller than the sum of its proper divisors (5392538291280).

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

2069180690640 is a wasteful number, since it uses less digits than its factorization.

2069180690640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175950769 (or 175950756 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 2069180690640 in words is "two trillion, sixty-nine billion, one hundred eighty million, six hundred ninety thousand, six hundred forty".