621232161262162 has 8 divisors (see below), whose sum is σ = 935474110539516. Its totient is φ = 309407457748992.

The previous prime is 621232161262133. The next prime is 621232161262169. The reversal of 621232161262162 is 261262161232126.

It can be written as a sum of positive squares in 2 ways, for example, as 366199853049801 + 255032308212361 = 19136349^2 + 15969731^2 .

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

It is not an unprimeable number, because it can be changed into a prime (621232161262169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604311440403 + ... + 604311441430.

Almost surely, 2^{621232161262162} is an apocalyptic number.

621232161262162 is a deficient number, since it is larger than the sum of its proper divisors (314241949277354).

621232161262162 is a wasteful number, since it uses less digits than its factorization.

621232161262162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208622882092.

The product of its digits is 248832, while the sum is 43.

The spelling of 621232161262162 in words is "six hundred twenty-one trillion, two hundred thirty-two billion, one hundred sixty-one million, two hundred sixty-two thousand, one hundred sixty-two".