1650146106840 has 384 divisors, whose sum is σ = 6294329752320. Its totient is φ = 342224870400.

The previous prime is 1650146106823. The next prime is 1650146106853. The reversal of 1650146106840 is 486016410561.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1650146106792 and 1650146106801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33803250 + ... + 33852030.

It is an arithmetic number, because the mean of its divisors is an integer number (16391483730).

Almost surely, 2^{1650146106840} is an apocalyptic number.

1650146106840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650146106840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3147164876160).

1650146106840 is an abundant number, since it is smaller than the sum of its proper divisors (4644183645480).

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

1650146106840 is a wasteful number, since it uses less digits than its factorization.

1650146106840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49343 (or 49332 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 1650146106840 in words is "one trillion, six hundred fifty billion, one hundred forty-six million, one hundred six thousand, eight hundred forty".