161450622470 has 32 divisors (see below), whose sum is σ = 291349729440. Its totient is φ = 64416221440.

The previous prime is 161450622467. The next prime is 161450622481. The reversal of 161450622470 is 74226054161.

It is a happy number.

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, 17527226 + ... + 17536434.

It is an arithmetic number, because the mean of its divisors is an integer number (9104679045).

Almost surely, 2^161450622470 is an apocalyptic number.

161450622470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161450622470 is a deficient number, since it is larger than the sum of its proper divisors (129899106970).

161450622470 is a wasteful number, since it uses less digits than its factorization.

161450622470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13480.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 161450622470 in words is "one hundred sixty-one billion, four hundred fifty million, six hundred twenty-two thousand, four hundred seventy".