2188071874078 has 16 divisors (see below), whose sum is σ = 3292809434064. Its totient is φ = 1090469459520.

The previous prime is 2188071874031. The next prime is 2188071874139. The reversal of 2188071874078 is 8704781708812.

It is a super-2 number, since 2×2188071874078² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5985601 + ... + 6340627.

It is an arithmetic number, because the mean of its divisors is an integer number (205800589629).

Almost surely, 2^{2188071874078} is an apocalyptic number.

2188071874078 is a deficient number, since it is larger than the sum of its proper divisors (1104737559986).

2188071874078 is a wasteful number, since it uses less digits than its factorization.

2188071874078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365067.

The product of its (nonzero) digits is 11239424, while the sum is 61.

The spelling of 2188071874078 in words is "two trillion, one hundred eighty-eight billion, seventy-one million, eight hundred seventy-four thousand, seventy-eight".