1620030547146 has 32 divisors (see below), whose sum is σ = 3742530464448. Its totient is φ = 462040797440.

The previous prime is 1620030547111. The next prime is 1620030547151. The reversal of 1620030547146 is 6417450300261.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 721937625 + ... + 721939868.

It is an arithmetic number, because the mean of its divisors is an integer number (116954077014).

Almost surely, 2^{1620030547146} is an apocalyptic number.

1620030547146 is an abundant number, since it is smaller than the sum of its proper divisors (2122499917302).

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

1620030547146 is a wasteful number, since it uses less digits than its factorization.

1620030547146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443877526.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 1620030547146 in words is "one trillion, six hundred twenty billion, thirty million, five hundred forty-seven thousand, one hundred forty-six".