245621166703 has 32 divisors (see below), whose sum is σ = 280691712000. Its totient is φ = 212751554400.

The previous prime is 245621166689. The next prime is 245621166719. The reversal of 245621166703 is 307661126542.

It is a de Polignac number, because none of the positive numbers 2^k-245621166703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245621166703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245621166103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134144998 + ... + 134146828.

It is an arithmetic number, because the mean of its divisors is an integer number (8771616000).

Almost surely, 2^245621166703 is an apocalyptic number.

245621166703 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

245621166703 is a deficient number, since it is larger than the sum of its proper divisors (35070545297).

245621166703 is a wasteful number, since it uses less digits than its factorization.

245621166703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 245621166703 in words is "two hundred forty-five billion, six hundred twenty-one million, one hundred sixty-six thousand, seven hundred three".