163740700 has 18 divisors (see below), whose sum is σ = 355317536. Its totient is φ = 65496240.

The previous prime is 163740677. The next prime is 163740713. The reversal of 163740700 is 7047361.

It is a super-2 number, since 2×163740700² = 53622033672980000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 818604 + ... + 818803.

Almost surely, 2^163740700 is an apocalyptic number.

163740700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163740700 is an abundant number, since it is smaller than the sum of its proper divisors (191576836).

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

163740700 is a wasteful number, since it uses less digits than its factorization.

163740700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637421 (or 1637414 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 163740700 is about 12796.1205058408. The cubic root of 163740700 is about 547.0817333224.

The spelling of 163740700 in words is "one hundred sixty-three million, seven hundred forty thousand, seven hundred".