161716034463984 has 480 divisors, whose sum is σ = 608131640083968. Its totient is φ = 38742997248000.

The previous prime is 161716034463941. The next prime is 161716034464043. The reversal of 161716034463984 is 489364430617161.

161716034463984 is a `hidden beast` number, since 1 + 6 + 1 + 7 + 1 + 60 + 34 + 463 + 9 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 185655394 + ... + 186524414.

Almost surely, 2^{161716034463984} is an apocalyptic number.

161716034463984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161716034463984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304065820041984).

161716034463984 is an abundant number, since it is smaller than the sum of its proper divisors (446415605619984).

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

161716034463984 is a wasteful number, since it uses less digits than its factorization.

161716034463984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870357 (or 870348 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 161716034463984 in words is "one hundred sixty-one trillion, seven hundred sixteen billion, thirty-four million, four hundred sixty-three thousand, nine hundred eighty-four".