1916687665150 has 12 divisors (see below), whose sum is σ = 3565039057272. Its totient is φ = 766675066040.

The previous prime is 1916687665133. The next prime is 1916687665157. The reversal of 1916687665150 is 515667866191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916687665157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19166876602 + ... + 19166876701.

It is an arithmetic number, because the mean of its divisors is an integer number (297086588106).

Almost surely, 2^{1916687665150} is an apocalyptic number.

1916687665150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1916687665150 is a deficient number, since it is larger than the sum of its proper divisors (1648351392122).

1916687665150 is a wasteful number, since it uses less digits than its factorization.

1916687665150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38333753315 (or 38333753310 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 1916687665150 in words is "one trillion, nine hundred sixteen billion, six hundred eighty-seven million, six hundred sixty-five thousand, one hundred fifty".