1629984543166 has 16 divisors (see below), whose sum is σ = 2797704685440. Its totient is φ = 697703437080.

The previous prime is 1629984543127. The next prime is 1629984543193. The reversal of 1629984543166 is 6613454899261.

It is a super-2 number, since 2×1629984543166² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1629984543098 and 1629984543107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71768836 + ... + 71791543.

It is an arithmetic number, because the mean of its divisors is an integer number (174856542840).

Almost surely, 2^{1629984543166} is an apocalyptic number.

1629984543166 is a deficient number, since it is larger than the sum of its proper divisors (1167720142274).

1629984543166 is a wasteful number, since it uses less digits than its factorization.

1629984543166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143561199.

The product of its digits is 67184640, while the sum is 64.

The spelling of 1629984543166 in words is "one trillion, six hundred twenty-nine billion, nine hundred eighty-four million, five hundred forty-three thousand, one hundred sixty-six".