16945695 has 48 divisors (see below), whose sum is σ = 32104800. Its totient is φ = 8218368.

The previous prime is 16945661. The next prime is 16945699. The reversal of 16945695 is 59654961.

It is a happy number.

It is not a de Polignac number, because 16945695 - 2⁶ = 16945631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16945695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16945699) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48381 + ... + 48729.

It is an arithmetic number, because the mean of its divisors is an integer number (668850).

Almost surely, 2^16945695 is an apocalyptic number.

16945695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16945695 is a deficient number, since it is larger than the sum of its proper divisors (15159105).

16945695 is a wasteful number, since it uses less digits than its factorization.

16945695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 453 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 16945695 is about 4116.5149094835. The cubic root of 16945695 is about 256.8540759414.

The spelling of 16945695 in words is "sixteen million, nine hundred forty-five thousand, six hundred ninety-five".