196351645 has 16 divisors (see below), whose sum is σ = 270420480. Its totient is φ = 134072064.

The previous prime is 196351633. The next prime is 196351657. The reversal of 196351645 is 546153691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (196351633) and next prime (196351657).

It is not a de Polignac number, because 196351645 - 2¹³ = 196343453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196351598 and 196351607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3372 + ... + 20101.

It is an arithmetic number, because the mean of its divisors is an integer number (16901280).

Almost surely, 2^196351645 is an apocalyptic number.

It is an amenable number.

196351645 is a deficient number, since it is larger than the sum of its proper divisors (74068835).

196351645 is a wasteful number, since it uses less digits than its factorization.

196351645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23724.

The product of its digits is 97200, while the sum is 40.

The square root of 196351645 is about 14012.5531221116. The cubic root of 196351645 is about 581.2257519464.

The spelling of 196351645 in words is "one hundred ninety-six million, three hundred fifty-one thousand, six hundred forty-five".