190664001 has 12 divisors (see below), whose sum is σ = 300440400. Its totient is φ = 115553880.

The previous prime is 190663973. The next prime is 190664029. The reversal of 190664001 is 100466091.

190664001 is a `hidden beast` number, since 19 + 0 + 6 + 640 + 0 + 1 = 666.

190664001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (190663973) and next prime (190664029).

It is not a de Polignac number, because 190664001 - 2⁵ = 190663969 is a prime.

It is a super-2 number, since 2×190664001² = 72705522554656002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190664041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 962851 + ... + 963048.

It is an arithmetic number, because the mean of its divisors is an integer number (25036700).

Almost surely, 2^190664001 is an apocalyptic number.

190664001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

190664001 is a deficient number, since it is larger than the sum of its proper divisors (109776399).

190664001 is a wasteful number, since it uses less digits than its factorization.

190664001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925916 (or 1925913 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 190664001 is about 13808.1135931017. The cubic root of 190664001 is about 575.5586263554.

The spelling of 190664001 in words is "one hundred ninety million, six hundred sixty-four thousand, one".