355420151646 has 64 divisors (see below), whose sum is σ = 831846259200. Its totient is φ = 99119655936.

The previous prime is 355420151579. The next prime is 355420151663. The reversal of 355420151646 is 646151024553.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 355420151598 and 355420151607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2623050 + ... + 2755218.

It is an arithmetic number, because the mean of its divisors is an integer number (12997597800).

Almost surely, 2^355420151646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 355420151646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415923129600).

355420151646 is an abundant number, since it is smaller than the sum of its proper divisors (476426107554).

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

355420151646 is a wasteful number, since it uses less digits than its factorization.

355420151646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133713.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 355420151646 in words is "three hundred fifty-five billion, four hundred twenty million, one hundred fifty-one thousand, six hundred forty-six".