161420104032 has 96 divisors (see below), whose sum is σ = 468759239424. Its totient is φ = 48226214400.

The previous prime is 161420104003. The next prime is 161420104033. The reversal of 161420104032 is 230401024161.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 161420103993 and 161420104011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161420104033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001503 + ... + 1151454.

It is an arithmetic number, because the mean of its divisors is an integer number (4882908744).

Almost surely, 2^161420104032 is an apocalyptic number.

161420104032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161420104032 is an abundant number, since it is smaller than the sum of its proper divisors (307339135392).

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

161420104032 is a wasteful number, since it uses less digits than its factorization.

161420104032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153052 (or 2153044 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 161420104032 its reverse (230401024161), we get a palindrome (391821128193).

The spelling of 161420104032 in words is "one hundred sixty-one billion, four hundred twenty million, one hundred four thousand, thirty-two".