694164960 has 144 divisors (see below), whose sum is σ = 2381835456. Its totient is φ = 184095744.

The previous prime is 694164923. The next prime is 694164979. The reversal of 694164960 is 69461496.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282457 + ... + 284903.

It is an arithmetic number, because the mean of its divisors is an integer number (16540524).

Almost surely, 2^694164960 is an apocalyptic number.

694164960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694164960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190917728).

694164960 is an abundant number, since it is smaller than the sum of its proper divisors (1687670496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694164960 is a wasteful number, since it uses less digits than its factorization.

694164960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 694164960 is about 26347.0104565964. The cubic root of 694164960 is about 885.4299930955.

The spelling of 694164960 in words is "six hundred ninety-four million, one hundred sixty-four thousand, nine hundred sixty".