190071680 has 32 divisors (see below), whose sum is σ = 454391640. Its totient is φ = 76028416.

The previous prime is 190071671. The next prime is 190071691. The reversal of 190071680 is 86170091.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×190071680² = 72254487076044800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147854 + ... + 149133.

Almost surely, 2^190071680 is an apocalyptic number.

190071680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190071680 is an abundant number, since it is smaller than the sum of its proper divisors (264319960).

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

190071680 is an equidigital number, since it uses as much as digits as its factorization.

190071680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297006 (or 296994 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 190071680 is about 13786.6486137857. The cubic root of 190071680 is about 574.9619937072.

The spelling of 190071680 in words is "one hundred ninety million, seventy-one thousand, six hundred eighty".