2151766127390 has 96 divisors (see below), whose sum is σ = 4563084087936. Its totient is φ = 724038678720.

The previous prime is 2151766127387. The next prime is 2151766127393. The reversal of 2151766127390 is 937216671512.

It is an interprime number because it is at equal distance from previous prime (2151766127387) and next prime (2151766127393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151766127393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1077449 + ... + 2337611.

It is an arithmetic number, because the mean of its divisors is an integer number (47532125916).

Almost surely, 2^{2151766127390} is an apocalyptic number.

2151766127390 is an abundant number, since it is smaller than the sum of its proper divisors (2411317960546).

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

2151766127390 is a wasteful number, since it uses less digits than its factorization.

2151766127390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260262 (or 1260243 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 2151766127390 in words is "two trillion, one hundred fifty-one billion, seven hundred sixty-six million, one hundred twenty-seven thousand, three hundred ninety".