161021062 has 8 divisors (see below), whose sum is σ = 241744536. Its totient is φ = 80439552.

The previous prime is 161021053. The next prime is 161021071. The reversal of 161021062 is 260120161.

161021062 is digitally balanced in base 2 and base 3, because in such bases 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 (161021053) and next prime (161021071).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32608 + ... + 37219.

It is an arithmetic number, because the mean of its divisors is an integer number (30218067).

Almost surely, 2^161021062 is an apocalyptic number.

161021062 is a deficient number, since it is larger than the sum of its proper divisors (80723474).

161021062 is a wasteful number, since it uses less digits than its factorization.

161021062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70982.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 161021062 is about 12689.4074723763. The cubic root of 161021062 is about 544.0359040425.

Subtracting 161021062 from its reverse (260120161), we obtain a palindrome (99099099).

The spelling of 161021062 in words is "one hundred sixty-one million, twenty-one thousand, sixty-two".