140956166256 has 40 divisors (see below), whose sum is σ = 364190626320. Its totient is φ = 46978438656.

The previous prime is 140956166243. The next prime is 140956166257. The reversal of 140956166256 is 652661659041.

It is a super-2 number, since 2×140956166256² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140956166199 and 140956166208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140956166257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115956 + ... + 543468.

It is an arithmetic number, because the mean of its divisors is an integer number (9104765658).

Almost surely, 2^140956166256 is an apocalyptic number.

140956166256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140956166256 is an abundant number, since it is smaller than the sum of its proper divisors (223234460064).

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

140956166256 is a wasteful number, since it uses less digits than its factorization.

140956166256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434393 (or 434387 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 140956166256 in words is "one hundred forty billion, nine hundred fifty-six million, one hundred sixty-six thousand, two hundred fifty-six".