10191801270 has 64 divisors (see below), whose sum is σ = 28158782976. Its totient is φ = 2312544000.

The previous prime is 10191801259. The next prime is 10191801271. The reversal of 10191801270 is 7210819101.

It is a super-2 number, since 2×10191801270² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10191801271) 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, 148356 + ... + 205895.

It is an arithmetic number, because the mean of its divisors is an integer number (439980984).

Almost surely, 2^10191801270 is an apocalyptic number.

10191801270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10191801270 is an abundant number, since it is smaller than the sum of its proper divisors (17966981706).

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

10191801270 is a wasteful number, since it uses less digits than its factorization.

10191801270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354405.

The product of its (nonzero) digits is 1008, while the sum is 30.

The spelling of 10191801270 in words is "ten billion, one hundred ninety-one million, eight hundred one thousand, two hundred seventy".