1497163620 has 24 divisors (see below), whose sum is σ = 4192058304. Its totient is φ = 399243616.

The previous prime is 1497163609. The next prime is 1497163649. The reversal of 1497163620 is 263617941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12476304 + ... + 12476423.

It is an arithmetic number, because the mean of its divisors is an integer number (174669096).

Almost surely, 2^1497163620 is an apocalyptic number.

1497163620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1497163620 is an abundant number, since it is smaller than the sum of its proper divisors (2694894684).

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

1497163620 is a wasteful number, since it uses less digits than its factorization.

1497163620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24952739 (or 24952737 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1497163620 is about 38693.1986271489. The cubic root of 1497163620 is about 1143.9922662770.

The spelling of 1497163620 in words is "one billion, four hundred ninety-seven million, one hundred sixty-three thousand, six hundred twenty".