1966830418 has 16 divisors (see below), whose sum is σ = 3518305920. Its totient is φ = 806278176.

The previous prime is 1966830389. The next prime is 1966830443. The reversal of 1966830418 is 8140386691.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 3053763 + ... + 3054406.

It is an arithmetic number, because the mean of its divisors is an integer number (219894120).

Almost surely, 2^1966830418 is an apocalyptic number.

1966830418 is a deficient number, since it is larger than the sum of its proper divisors (1551475502).

1966830418 is a wasteful number, since it uses less digits than its factorization.

1966830418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108201.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1966830418 is about 44348.9618593265. The cubic root of 1966830418 is about 1252.9170100535.

It can be divided in two parts, 19668 and 30418, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 1966830418 in words is "one billion, nine hundred sixty-six million, eight hundred thirty thousand, four hundred eighteen".