80161629 has 16 divisors (see below), whose sum is σ = 110598144. Its totient is φ = 51591600.

The previous prime is 80161591. The next prime is 80161639. The reversal of 80161629 is 92616108.

It is not a de Polignac number, because 80161629 - 2²¹ = 78064477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80161629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80161639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51594 + ... + 53124.

It is an arithmetic number, because the mean of its divisors is an integer number (6912384).

Almost surely, 2^80161629 is an apocalyptic number.

It is an amenable number.

80161629 is a deficient number, since it is larger than the sum of its proper divisors (30436515).

80161629 is a wasteful number, since it uses less digits than its factorization.

80161629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 80161629 is about 8953.3026867185. The cubic root of 80161629 is about 431.1769254045.

The spelling of 80161629 in words is "eighty million, one hundred sixty-one thousand, six hundred twenty-nine".