1684916861334 has 64 divisors (see below), whose sum is σ = 3947178166272. Its totient is φ = 469485273600.

The previous prime is 1684916861269. The next prime is 1684916861339. The reversal of 1684916861334 is 4331686194861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684916861339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 964087 + ... + 2073474.

It is an arithmetic number, because the mean of its divisors is an integer number (61674658848).

Almost surely, 2^{1684916861334} is an apocalyptic number.

1684916861334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1684916861334 is an abundant number, since it is smaller than the sum of its proper divisors (2262261304938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1684916861334 is a wasteful number, since it uses less digits than its factorization.

1684916861334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037901.

The product of its digits is 17915904, while the sum is 60.

The spelling of 1684916861334 in words is "one trillion, six hundred eighty-four billion, nine hundred sixteen million, eight hundred sixty-one thousand, three hundred thirty-four".