1653180956 has 24 divisors (see below), whose sum is σ = 3480382080. Its totient is φ = 671216112.

The previous prime is 1653180941. The next prime is 1653180973. The reversal of 1653180956 is 6590813561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553210 + ... + 1554273.

It is an arithmetic number, because the mean of its divisors is an integer number (145015920).

Almost surely, 2^1653180956 is an apocalyptic number.

It is an amenable number.

1653180956 is an abundant number, since it is smaller than the sum of its proper divisors (1827201124).

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

1653180956 is a wasteful number, since it uses less digits than its factorization.

1653180956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107513 (or 3107511 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 1653180956 is about 40659.3280318305. The cubic root of 1653180956 is about 1182.4246219534.

The spelling of 1653180956 in words is "one billion, six hundred fifty-three million, one hundred eighty thousand, nine hundred fifty-six".