1966170417 has 16 divisors (see below), whose sum is σ = 2693920320. Its totient is φ = 1274640192.

The previous prime is 1966170403. The next prime is 1966170463. The reversal of 1966170417 is 7140716691.

It is not a de Polignac number, because 1966170417 - 2²² = 1961976113 is a prime.

It is a super-2 number, since 2×1966170417² = 7731652217371907778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1966170487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255843 + ... + 263415.

It is an arithmetic number, because the mean of its divisors is an integer number (168370020).

Almost surely, 2^1966170417 is an apocalyptic number.

It is an amenable number.

1966170417 is a deficient number, since it is larger than the sum of its proper divisors (727749903).

1966170417 is a wasteful number, since it uses less digits than its factorization.

1966170417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1966170417 is about 44341.5202378087. The cubic root of 1966170417 is about 1252.7768490131.

The spelling of 1966170417 in words is "one billion, nine hundred sixty-six million, one hundred seventy thousand, four hundred seventeen".