2119654166652 has 96 divisors (see below), whose sum is σ = 6201705081600. Its totient is φ = 620170488000.

The previous prime is 2119654166611. The next prime is 2119654166659. The reversal of 2119654166652 is 2566614569112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119654166659) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30727974 + ... + 30796877.

It is an arithmetic number, because the mean of its divisors is an integer number (64601094600).

Almost surely, 2^{2119654166652} is an apocalyptic number.

2119654166652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2119654166652 is an abundant number, since it is smaller than the sum of its proper divisors (4082050914948).

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

2119654166652 is a wasteful number, since it uses less digits than its factorization.

2119654166652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61524904 (or 61524896 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 2119654166652 in words is "two trillion, one hundred nineteen billion, six hundred fifty-four million, one hundred sixty-six thousand, six hundred fifty-two".