1451656146220 has 48 divisors (see below), whose sum is σ = 3596361043968. Its totient is φ = 481655494080.

The previous prime is 1451656146217. The next prime is 1451656146253. The reversal of 1451656146220 is 226416561541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167237152 + ... + 167245831.

It is an arithmetic number, because the mean of its divisors is an integer number (74924188416).

Almost surely, 2^{1451656146220} is an apocalyptic number.

1451656146220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451656146220 is an abundant number, since it is smaller than the sum of its proper divisors (2144704897748).

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

1451656146220 is a wasteful number, since it uses less digits than its factorization.

1451656146220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334483030 (or 334483028 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 1451656146220 in words is "one trillion, four hundred fifty-one billion, six hundred fifty-six million, one hundred forty-six thousand, two hundred twenty".