190151697 has 4 divisors (see below), whose sum is σ = 253535600. Its totient is φ = 126767796.

The previous prime is 190151693. The next prime is 190151713. The reversal of 190151697 is 796151091.

190151697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 190151697 - 2² = 190151693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190151693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31691947 + ... + 31691952.

It is an arithmetic number, because the mean of its divisors is an integer number (63383900).

Almost surely, 2^190151697 is an apocalyptic number.

It is an amenable number.

190151697 is a deficient number, since it is larger than the sum of its proper divisors (63383903).

190151697 is an equidigital number, since it uses as much as digits as its factorization.

190151697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63383902.

The product of its (nonzero) digits is 17010, while the sum is 39.

The square root of 190151697 is about 13789.5502827322. The cubic root of 190151697 is about 575.0426655172.

The spelling of 190151697 in words is "one hundred ninety million, one hundred fifty-one thousand, six hundred ninety-seven".