161046700 has 18 divisors (see below), whose sum is σ = 349471556. Its totient is φ = 64418640.

The previous prime is 161046689. The next prime is 161046707. The reversal of 161046700 is 7640161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (161046707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 805134 + ... + 805333.

Almost surely, 2^161046700 is an apocalyptic number.

161046700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161046700 is an abundant number, since it is smaller than the sum of its proper divisors (188424856).

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

161046700 is a wasteful number, since it uses less digits than its factorization.

161046700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610481 (or 1610474 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 161046700 is about 12690.4176448216. The cubic root of 161046700 is about 544.0647765641.

Adding to 161046700 its reverse (7640161), we get a palindrome (168686861).

The spelling of 161046700 in words is "one hundred sixty-one million, forty-six thousand, seven hundred".