1966170135 has 16 divisors (see below), whose sum is σ = 3148564320. Its totient is φ = 1047726720.

The previous prime is 1966170113. The next prime is 1966170137. The reversal of 1966170135 is 5310716691.

It is a happy number.

It is not a de Polignac number, because 1966170135 - 2¹⁵ = 1966137367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1966170093 and 1966170102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966170137) 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, 37780 + ... + 73209.

It is an arithmetic number, because the mean of its divisors is an integer number (196785270).

Almost surely, 2^1966170135 is an apocalyptic number.

1966170135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1966170135 is a deficient number, since it is larger than the sum of its proper divisors (1182394185).

1966170135 is a wasteful number, since it uses less digits than its factorization.

1966170135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112178.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1966170135 is about 44341.5170579447. The cubic root of 1966170135 is about 1252.7767891195.

The spelling of 1966170135 in words is "one billion, nine hundred sixty-six million, one hundred seventy thousand, one hundred thirty-five".