1953011966 has 8 divisors (see below), whose sum is σ = 3024018624. Its totient is φ = 945005760.

The previous prime is 1953011947. The next prime is 1953011971. The reversal of 1953011966 is 6691103591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15750035 + ... + 15750158.

It is an arithmetic number, because the mean of its divisors is an integer number (378002328).

Almost surely, 2^1953011966 is an apocalyptic number.

1953011966 is a deficient number, since it is larger than the sum of its proper divisors (1071006658).

1953011966 is a wasteful number, since it uses less digits than its factorization.

1953011966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31500226.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 1953011966 is about 44192.8949719296. The cubic root of 1953011966 is about 1249.9758856148.

The spelling of 1953011966 in words is "one billion, nine hundred fifty-three million, eleven thousand, nine hundred sixty-six".