161435300622 has 32 divisors (see below), whose sum is σ = 341173140480. Its totient is φ = 50820575520.

The previous prime is 161435300581. The next prime is 161435300641. The reversal of 161435300622 is 226003534161.

It is a super-2 number, since 2×161435300622² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7393029 + ... + 7414832.

It is an arithmetic number, because the mean of its divisors is an integer number (10661660640).

Almost surely, 2^161435300622 is an apocalyptic number.

161435300622 is an abundant number, since it is smaller than the sum of its proper divisors (179737839858).

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

161435300622 is a wasteful number, since it uses less digits than its factorization.

161435300622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14807968.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 161435300622 its reverse (226003534161), we get a palindrome (387438834783).

The spelling of 161435300622 in words is "one hundred sixty-one billion, four hundred thirty-five million, three hundred thousand, six hundred twenty-two".