1916017763 has 4 divisors (see below), whose sum is σ = 2090201208. Its totient is φ = 1741834320.

The previous prime is 1916017687. The next prime is 1916017771. The reversal of 1916017763 is 3677106191.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3677106191 = 11 ⋅334282381.

It is a cyclic number.

It is not a de Polignac number, because 1916017763 - 2¹² = 1916013667 is a prime.

It is a super-2 number, since 2×1916017763² = 7342248136263048338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1916017763.

It is not an unprimeable number, because it can be changed into a prime (1916067763) 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, 87091706 + ... + 87091727.

It is an arithmetic number, because the mean of its divisors is an integer number (522550302).

Almost surely, 2^1916017763 is an apocalyptic number.

1916017763 is a deficient number, since it is larger than the sum of its proper divisors (174183445).

1916017763 is a wasteful number, since it uses less digits than its factorization.

1916017763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174183444.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 1916017763 is about 43772.3401590548. The cubic root of 1916017763 is about 1242.0331203789.

The spelling of 1916017763 in words is "one billion, nine hundred sixteen million, seventeen thousand, seven hundred sixty-three".