2066674140 has 36 divisors (see below), whose sum is σ = 6268912104. Its totient is φ = 551113056.

The previous prime is 2066674133. The next prime is 2066674171. The reversal of 2066674140 is 414766602.

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

It is a super-2 number, since 2×2066674140² = 8542284001889479200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2066674095 and 2066674104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5740582 + ... + 5740941.

Almost surely, 2^2066674140 is an apocalyptic number.

2066674140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066674140 is an abundant number, since it is smaller than the sum of its proper divisors (4202237964).

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

2066674140 is a wasteful number, since it uses less digits than its factorization.

2066674140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11481538 (or 11481533 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2066674140 is about 45460.6878522532. The cubic root of 2066674140 is about 1273.7689802227.

The spelling of 2066674140 in words is "two billion, sixty-six million, six hundred seventy-four thousand, one hundred forty".