161650153446 has 32 divisors (see below), whose sum is σ = 327574056960. Its totient is φ = 53171848704.

The previous prime is 161650153439. The next prime is 161650153499. The reversal of 161650153446 is 644351056161.

It is a super-2 number, since 2×161650153446² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161650153398 and 161650153407.

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, 770566 + ... + 957638.

It is an arithmetic number, because the mean of its divisors is an integer number (10236689280).

Almost surely, 2^161650153446 is an apocalyptic number.

161650153446 is an abundant number, since it is smaller than the sum of its proper divisors (165923903514).

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

161650153446 is a wasteful number, since it uses less digits than its factorization.

161650153446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188980.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 161650153446 in words is "one hundred sixty-one billion, six hundred fifty million, one hundred fifty-three thousand, four hundred forty-six".