1601667901146 has 16 divisors (see below), whose sum is σ = 3236359883904. Its totient is φ = 528385286784.

The previous prime is 1601667901139. The next prime is 1601667901157. The reversal of 1601667901146 is 6411097661061.

It is a super-2 number, since 2×1601667901146² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1601667901095 and 1601667901104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376002770 + ... + 1376003933.

It is an arithmetic number, because the mean of its divisors is an integer number (202272492744).

Almost surely, 2^{1601667901146} is an apocalyptic number.

1601667901146 is an abundant number, since it is smaller than the sum of its proper divisors (1634691982758).

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

1601667901146 is a wasteful number, since it uses less digits than its factorization.

1601667901146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752006805.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 1601667901146 in words is "one trillion, six hundred one billion, six hundred sixty-seven million, nine hundred one thousand, one hundred forty-six".