160401621 has 8 divisors (see below), whose sum is σ = 215105760. Its totient is φ = 106315952.

The previous prime is 160401601. The next prime is 160401641. The reversal of 160401621 is 126104061.

160401621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (160401601) and next prime (160401641).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160401621 - 2⁶ = 160401557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160401601) 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, 154011 + ... + 155048.

It is an arithmetic number, because the mean of its divisors is an integer number (26888220).

Almost surely, 2^160401621 is an apocalyptic number.

It is an amenable number.

160401621 is a deficient number, since it is larger than the sum of its proper divisors (54704139).

160401621 is a wasteful number, since it uses less digits than its factorization.

160401621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309235.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 160401621 is about 12664.9761547348. The cubic root of 160401621 is about 543.3373800829.

Adding to 160401621 its reverse (126104061), we get a palindrome (286505682).

The spelling of 160401621 in words is "one hundred sixty million, four hundred one thousand, six hundred twenty-one".