1601261633662 has 16 divisors (see below), whose sum is σ = 2447307062640. Its totient is φ = 785493796672.

The previous prime is 1601261633641. The next prime is 1601261633663. The reversal of 1601261633662 is 2663361621061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601261633663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2550693 + ... + 3115855.

It is an arithmetic number, because the mean of its divisors is an integer number (152956691415).

Almost surely, 2^{1601261633662} is an apocalyptic number.

1601261633662 is a deficient number, since it is larger than the sum of its proper divisors (846045428978).

1601261633662 is a wasteful number, since it uses less digits than its factorization.

1601261633662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591947.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 1601261633662 in words is "one trillion, six hundred one billion, two hundred sixty-one million, six hundred thirty-three thousand, six hundred sixty-two".