1966048634 has 32 divisors (see below), whose sum is σ = 3290616576. Its totient is φ = 873315520.

The previous prime is 1966048631. The next prime is 1966048663. The reversal of 1966048634 is 4368406691.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (1966048631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046504 + ... + 1048380.

It is an arithmetic number, because the mean of its divisors is an integer number (102831768).

Almost surely, 2^1966048634 is an apocalyptic number.

1966048634 is a deficient number, since it is larger than the sum of its proper divisors (1324567942).

1966048634 is a wasteful number, since it uses less digits than its factorization.

1966048634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 1966048634 is about 44340.1469776545. The cubic root of 1966048634 is about 1252.7509831519.

The spelling of 1966048634 in words is "one billion, nine hundred sixty-six million, forty-eight thousand, six hundred thirty-four".