1916254966 has 8 divisors (see below), whose sum is σ = 2944489464. Its totient is φ = 934758480.

The previous prime is 1916254961. The next prime is 1916254969. The reversal of 1916254966 is 6694526191.

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

It is a super-2 number, since 2×1916254966² = 7344066189439322312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916254961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11684400 + ... + 11684563.

It is an arithmetic number, because the mean of its divisors is an integer number (368061183).

Almost surely, 2^1916254966 is an apocalyptic number.

1916254966 is a deficient number, since it is larger than the sum of its proper divisors (1028234498).

1916254966 is a wasteful number, since it uses less digits than its factorization.

1916254966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23369006.

The product of its digits is 699840, while the sum is 49.

The square root of 1916254966 is about 43775.0495830673. The cubic root of 1916254966 is about 1242.0843728310.

The spelling of 1916254966 in words is "one billion, nine hundred sixteen million, two hundred fifty-four thousand, nine hundred sixty-six".