1663926150390 has 32 divisors (see below), whose sum is σ = 4563911727360. Its totient is φ = 380325977184.

The previous prime is 1663926150389. The next prime is 1663926150391. The reversal of 1663926150390 is 930516293661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1663926150389) and next prime (1663926150391).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663926150391) 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, 3961728720 + ... + 3961729139.

It is an arithmetic number, because the mean of its divisors is an integer number (142622241480).

Almost surely, 2^{1663926150390} is an apocalyptic number.

1663926150390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1663926150390 is an abundant number, since it is smaller than the sum of its proper divisors (2899985576970).

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

1663926150390 is a wasteful number, since it uses less digits than its factorization.

1663926150390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923457876.

The product of its (nonzero) digits is 1574640, while the sum is 51.

The spelling of 1663926150390 in words is "one trillion, six hundred sixty-three billion, nine hundred twenty-six million, one hundred fifty thousand, three hundred ninety".