80168790 has 128 divisors (see below), whose sum is σ = 225792000. Its totient is φ = 18040320.

The previous prime is 80168773. The next prime is 80168791. The reversal of 80168790 is 9786108.

80168790 = T₁₆₆ + T₁₆₇ + ... + T₇₈₅.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80168791) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229536 + ... + 229884.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^80168790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80168790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112896000).

80168790 is an abundant number, since it is smaller than the sum of its proper divisors (145623210).

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

80168790 is a wasteful number, since it uses less digits than its factorization.

80168790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 80168790 is about 8953.7025860814. The cubic root of 80168790 is about 431.1897643237.

The spelling of 80168790 in words is "eighty million, one hundred sixty-eight thousand, seven hundred ninety".