1629160988 has 24 divisors (see below), whose sum is σ = 3508962912. Its totient is φ = 644503104.

The previous prime is 1629160987. The next prime is 1629161063. The reversal of 1629160988 is 8890619261.

It is a happy number.

It is a super-2 number, since 2×1629160988² = 5308331049642272288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1629160987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237495 + ... + 2238222.

It is an arithmetic number, because the mean of its divisors is an integer number (146206788).

Almost surely, 2^1629160988 is an apocalyptic number.

It is an amenable number.

1629160988 is an abundant number, since it is smaller than the sum of its proper divisors (1879801924).

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

1629160988 is a wasteful number, since it uses less digits than its factorization.

1629160988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475741 (or 4475739 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 1629160988 is about 40362.8664492501. The cubic root of 1629160988 is about 1176.6699629772.

The spelling of 1629160988 in words is "one billion, six hundred twenty-nine million, one hundred sixty thousand, nine hundred eighty-eight".