1870372427966 has 64 divisors (see below), whose sum is σ = 3268664340480. Its totient is φ = 786152839680.

The previous prime is 1870372427909. The next prime is 1870372427969. The reversal of 1870372427966 is 6697242730781.

It is a junction number, because it is equal to n+sod(n) for n = 1870372427899 and 1870372427908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1870372427969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368108546 + ... + 368113626.

It is an arithmetic number, because the mean of its divisors is an integer number (51072880320).

Almost surely, 2^{1870372427966} is an apocalyptic number.

1870372427966 is a deficient number, since it is larger than the sum of its proper divisors (1398291912514).

1870372427966 is a wasteful number, since it uses less digits than its factorization.

1870372427966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 1870372427966 in words is "one trillion, eight hundred seventy billion, three hundred seventy-two million, four hundred twenty-seven thousand, nine hundred sixty-six".