554161620 has 48 divisors (see below), whose sum is σ = 1555706880. Its totient is φ = 147390336.

The previous prime is 554161613. The next prime is 554161651. The reversal of 554161620 is 26161455.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 11469 + ... + 35211.

It is an arithmetic number, because the mean of its divisors is an integer number (32410560).

Almost surely, 2^554161620 is an apocalyptic number.

It is an amenable number.

554161620 is an abundant number, since it is smaller than the sum of its proper divisors (1001545260).

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

554161620 is a wasteful number, since it uses less digits than its factorization.

554161620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24144 (or 24142 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 554161620 is about 23540.6376294271. The cubic root of 554161620 is about 821.3825674623.

It can be divided in two parts, 5541 and 61620, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 554161620 in words is "five hundred fifty-four million, one hundred sixty-one thousand, six hundred twenty".