161010700 has 18 divisors (see below), whose sum is σ = 349393436. Its totient is φ = 64404240.

The previous prime is 161010671. The next prime is 161010709. The reversal of 161010700 is 7010161.

It is not an unprimeable number, because it can be changed into a prime (161010709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 804954 + ... + 805153.

Almost surely, 2^161010700 is an apocalyptic number.

161010700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161010700 is an abundant number, since it is smaller than the sum of its proper divisors (188382736).

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

161010700 is a wasteful number, since it uses less digits than its factorization.

161010700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610121 (or 1610114 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 161010700 is about 12688.9991725116. Note that the first 3 decimals coincide. The cubic root of 161010700 is about 544.0242338901.

Adding to 161010700 its reverse (7010161), we get a palindrome (168020861).

The spelling of 161010700 in words is "one hundred sixty-one million, ten thousand, seven hundred".