1966550470 has 16 divisors (see below), whose sum is σ = 3540743568. Its totient is φ = 786408480.

The previous prime is 1966550459. The next prime is 1966550473. The reversal of 1966550470 is 740556691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966550473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15757 + ... + 64663.

It is an arithmetic number, because the mean of its divisors is an integer number (221296473).

Almost surely, 2^1966550470 is an apocalyptic number.

1966550470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1966550470 is a deficient number, since it is larger than the sum of its proper divisors (1574193098).

1966550470 is a wasteful number, since it uses less digits than its factorization.

1966550470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52935.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 1966550470 is about 44345.8055513709. The cubic root of 1966550470 is about 1252.8575627568.

The spelling of 1966550470 in words is "one billion, nine hundred sixty-six million, five hundred fifty thousand, four hundred seventy".