161700000854 has 16 divisors (see below), whose sum is σ = 277205718528. Its totient is φ = 69298571112.

The previous prime is 161700000853. The next prime is 161700000877. The reversal of 161700000854 is 458000007161.

It is a happy number.

It is a super-2 number, since 2×161700000854² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161700000854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161700000853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863459 + ... + 1033905.

It is an arithmetic number, because the mean of its divisors is an integer number (17325357408).

Almost surely, 2^161700000854 is an apocalyptic number.

161700000854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161700000854 is a deficient number, since it is larger than the sum of its proper divisors (115505717674).

161700000854 is a wasteful number, since it uses less digits than its factorization.

161700000854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238219.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 161700000854 in words is "one hundred sixty-one billion, seven hundred million, eight hundred fifty-four", and thus it is an aban number.