160121628 has 18 divisors (see below), whose sum is σ = 404751984. Its totient is φ = 53373864.

The previous prime is 160121617. The next prime is 160121629. The reversal of 160121628 is 826121061.

160121628 is a `hidden beast` number, since 16 + 0 + 1 + 21 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160121629) 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, 2223876 + ... + 2223947.

Almost surely, 2^160121628 is an apocalyptic number.

160121628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

160121628 is an abundant number, since it is smaller than the sum of its proper divisors (244630356).

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

160121628 is a wasteful number, since it uses less digits than its factorization.

160121628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447833 (or 4447828 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 160121628 is about 12653.9174961749. The cubic root of 160121628 is about 543.0210506374.

Adding to 160121628 its reverse (826121061), we get a palindrome (986242689).

The spelling of 160121628 in words is "one hundred sixty million, one hundred twenty-one thousand, six hundred twenty-eight".